Socio-demographic and smoking characteristics of the study sample measured pre-exposure at baseline, by condition (N = 2544).
| Control . | Standard HWs . | Product Attribute HWs . | Product Attribute HWs + Video . | χ2 test . | |
|---|---|---|---|---|---|
| n (%) . | n (%) . | n (%) . | n (%) . | P-value . | |
| Total | 637 (100.0) | 637 (100.0) | 636 (100.0) | 634 (100.0) | |
| Age group | .156 | ||||
| 18–39 years | 395 (62.0) | 370 (58.1) | 364 (57.2) | 387 (61.0) | |
| 40–54 years | 182 (28.6) | 179 (28.1) | 198 (31.1) | 183 (28.9) | |
| 55–69 years | 60 (9.4) | 88 (13.8) | 74 (11.6) | 64 (10.1) | |
| Gendera | .133 | ||||
| Man/male | 335 (52.6) | 297 (46.6) | 324 (50.9) | 309 (48.7) | |
| Woman/female | 298 (46.8) | 339 (53.2) | 309 (48.6) | 323 (51.0) | |
| Another term | 1 (0.2) | 1 (0.2) | 3 (0.5) | 0 (0.0) | |
| Prefer not to say | 3 (0.5) | 0 (0.0) | 0 (0.0) | 2 (0.3) | |
| Highest level of education | .422 | ||||
| No tertiary education | 358 (56.2) | 372 (58.4) | 348 (54.7) | 363 (57.3) | |
| Tertiary education | 274 (43.0) | 261 (41.0) | 281 (44.2) | 270 (42.6) | |
| Socio-economic area | .197 | ||||
| Low | 244 (38.3) | 250 (39.3) | 251 (39.5) | 242 (38.2) | |
| Mid | 275 (43.2) | 274 (43.0) | 240 (37.7) | 254 (40.1) | |
| High | 118 (18.5) | 112 (17.6) | 145 (22.8) | 138 (21.8) | |
| Geographic region | .356 | ||||
| Metropolitan | 475 (74.6) | 454 (71.3) | 448 (70.4) | 463 (73.0) | |
| Regional | 162 (25.4) | 183 (28.7) | 188 (29.6) | 171 (27.0) | |
| Aboriginal and/or Torres Strait Islanderb | .224 | ||||
| No | 595 (93.4) | 596 (93.6) | 578 (90.9) | 596 (94.0) | |
| Yes | 36 (5.7) | 34 (5.3) | 48 (7.6) | 32 (5.1) | |
| Prefer not to say | 6 (0.9) | 7 (1.1) | 10 (1.6) | 6 (1.0) | |
| Health care card or pensioner concession card holderc | .952 | ||||
| No | 422 (66.3) | 416 (65.3) | 425 (66.8) | 418 (65.9) | |
| Yes | 215 (33.8) | 221 (34.7) | 211 (33.2) | 216 (34.1) | |
| Quit attempts in past year | .410 | ||||
| None | 297 (46.6) | 290 (45.5) | 300 (47.2) | 291 (45.9) | |
| At least once | 287 (45.1) | 291 (45.7) | 296 (46.5) | 305 (48.1) | |
| Don’t know/can’t say | 53 (8.3) | 56 (8.8) | 40 (6.3) | 38 (6.0) | |
| Frequency of e-cigarette use | .852 | ||||
| Less than monthly | 380 (59.7) | 377 (59.2) | 367 (57.7) | 366 (57.7) | |
| At least monthly | 257 (40.4) | 260 (40.8) | 269 (42.3) | 268 (42.3) | |
| Frequency of FMC and/or RYO cigarette use | .319 | ||||
| Less than daily | 128 (20.1) | 150 (23.6) | 138 (21.7) | 152 (24.0) | |
| At least daily | 509 (79.9) | 487 (76.5) | 498 (78.3) | 482 (76.0) | |
| Predominant product used | 1.000 | ||||
| RYO cigarettes | 130 (20.4) | 133 (20.9) | 132 (20.8) | 130 (20.5) | |
| FMC cigarettes | 357 (56.0) | 354 (55.6) | 347 (54.6) | 353 (55.7) | |
| Menthol/menthol crushball RYO cigarettes | 76 (11.9) | 77 (12.1) | 78 (12.3) | 78 (12.3) | |
| Menthol/menthol crushball FMC cigarettes | 74 (11.6) | 73 (11.5) | 79 (12.4) | 73 (11.5) |
| Control . | Standard HWs . | Product Attribute HWs . | Product Attribute HWs + Video . | χ2 test . | |
|---|---|---|---|---|---|
| n (%) . | n (%) . | n (%) . | n (%) . | P-value . | |
| Total | 637 (100.0) | 637 (100.0) | 636 (100.0) | 634 (100.0) | |
| Age group | .156 | ||||
| 18–39 years | 395 (62.0) | 370 (58.1) | 364 (57.2) | 387 (61.0) | |
| 40–54 years | 182 (28.6) | 179 (28.1) | 198 (31.1) | 183 (28.9) | |
| 55–69 years | 60 (9.4) | 88 (13.8) | 74 (11.6) | 64 (10.1) | |
| Gendera | .133 | ||||
| Man/male | 335 (52.6) | 297 (46.6) | 324 (50.9) | 309 (48.7) | |
| Woman/female | 298 (46.8) | 339 (53.2) | 309 (48.6) | 323 (51.0) | |
| Another term | 1 (0.2) | 1 (0.2) | 3 (0.5) | 0 (0.0) | |
| Prefer not to say | 3 (0.5) | 0 (0.0) | 0 (0.0) | 2 (0.3) | |
| Highest level of education | .422 | ||||
| No tertiary education | 358 (56.2) | 372 (58.4) | 348 (54.7) | 363 (57.3) | |
| Tertiary education | 274 (43.0) | 261 (41.0) | 281 (44.2) | 270 (42.6) | |
| Socio-economic area | .197 | ||||
| Low | 244 (38.3) | 250 (39.3) | 251 (39.5) | 242 (38.2) | |
| Mid | 275 (43.2) | 274 (43.0) | 240 (37.7) | 254 (40.1) | |
| High | 118 (18.5) | 112 (17.6) | 145 (22.8) | 138 (21.8) | |
| Geographic region | .356 | ||||
| Metropolitan | 475 (74.6) | 454 (71.3) | 448 (70.4) | 463 (73.0) | |
| Regional | 162 (25.4) | 183 (28.7) | 188 (29.6) | 171 (27.0) | |
| Aboriginal and/or Torres Strait Islanderb | .224 | ||||
| No | 595 (93.4) | 596 (93.6) | 578 (90.9) | 596 (94.0) | |
| Yes | 36 (5.7) | 34 (5.3) | 48 (7.6) | 32 (5.1) | |
| Prefer not to say | 6 (0.9) | 7 (1.1) | 10 (1.6) | 6 (1.0) | |
| Health care card or pensioner concession card holderc | .952 | ||||
| No | 422 (66.3) | 416 (65.3) | 425 (66.8) | 418 (65.9) | |
| Yes | 215 (33.8) | 221 (34.7) | 211 (33.2) | 216 (34.1) | |
| Quit attempts in past year | .410 | ||||
| None | 297 (46.6) | 290 (45.5) | 300 (47.2) | 291 (45.9) | |
| At least once | 287 (45.1) | 291 (45.7) | 296 (46.5) | 305 (48.1) | |
| Don’t know/can’t say | 53 (8.3) | 56 (8.8) | 40 (6.3) | 38 (6.0) | |
| Frequency of e-cigarette use | .852 | ||||
| Less than monthly | 380 (59.7) | 377 (59.2) | 367 (57.7) | 366 (57.7) | |
| At least monthly | 257 (40.4) | 260 (40.8) | 269 (42.3) | 268 (42.3) | |
| Frequency of FMC and/or RYO cigarette use | .319 | ||||
| Less than daily | 128 (20.1) | 150 (23.6) | 138 (21.7) | 152 (24.0) | |
| At least daily | 509 (79.9) | 487 (76.5) | 498 (78.3) | 482 (76.0) | |
| Predominant product used | 1.000 | ||||
| RYO cigarettes | 130 (20.4) | 133 (20.9) | 132 (20.8) | 130 (20.5) | |
| FMC cigarettes | 357 (56.0) | 354 (55.6) | 347 (54.6) | 353 (55.7) | |
| Menthol/menthol crushball RYO cigarettes | 76 (11.9) | 77 (12.1) | 78 (12.3) | 78 (12.3) | |
| Menthol/menthol crushball FMC cigarettes | 74 (11.6) | 73 (11.5) | 79 (12.4) | 73 (11.5) |
Abbreviations: HWs = health warnings; FMC = factory-made cigarettes; RYO = roll-your-own. Proportions are rounded so may not sum to 100.0%. No response was provided for the highest level of education for n = 5 in the control condition, n = 4 in the Standard HWs condition, n = 7 in the Product Attribute HWs condition, and n = 1 in the Product Attribute HWs + Video condition. Socio-economic area could not be computed for n = 1 in the Standard HWs condition.
aChi-square test was conducted with ‘another term’ and ‘prefer not to say’ coded as missing due to limited observations.
bChi-square test was conducted with ‘prefer not to say’ coded as ‘no’ due to limited observations.
cIndividual-level measure of socio-economic status.
dRYO and FMC categories comprised both people who smoked menthol cigarettes and people who smoked non-menthol cigarettes.
Socio-demographic and smoking characteristics of the study sample measured pre-exposure at baseline, by condition (N = 2544).
| Control . | Standard HWs . | Product Attribute HWs . | Product Attribute HWs + Video . | χ2 test . | |
|---|---|---|---|---|---|
| n (%) . | n (%) . | n (%) . | n (%) . | P-value . | |
| Total | 637 (100.0) | 637 (100.0) | 636 (100.0) | 634 (100.0) | |
| Age group | .156 | ||||
| 18–39 years | 395 (62.0) | 370 (58.1) | 364 (57.2) | 387 (61.0) | |
| 40–54 years | 182 (28.6) | 179 (28.1) | 198 (31.1) | 183 (28.9) | |
| 55–69 years | 60 (9.4) | 88 (13.8) | 74 (11.6) | 64 (10.1) | |
| Gendera | .133 | ||||
| Man/male | 335 (52.6) | 297 (46.6) | 324 (50.9) | 309 (48.7) | |
| Woman/female | 298 (46.8) | 339 (53.2) | 309 (48.6) | 323 (51.0) | |
| Another term | 1 (0.2) | 1 (0.2) | 3 (0.5) | 0 (0.0) | |
| Prefer not to say | 3 (0.5) | 0 (0.0) | 0 (0.0) | 2 (0.3) | |
| Highest level of education | .422 | ||||
| No tertiary education | 358 (56.2) | 372 (58.4) | 348 (54.7) | 363 (57.3) | |
| Tertiary education | 274 (43.0) | 261 (41.0) | 281 (44.2) | 270 (42.6) | |
| Socio-economic area | .197 | ||||
| Low | 244 (38.3) | 250 (39.3) | 251 (39.5) | 242 (38.2) | |
| Mid | 275 (43.2) | 274 (43.0) | 240 (37.7) | 254 (40.1) | |
| High | 118 (18.5) | 112 (17.6) | 145 (22.8) | 138 (21.8) | |
| Geographic region | .356 | ||||
| Metropolitan | 475 (74.6) | 454 (71.3) | 448 (70.4) | 463 (73.0) | |
| Regional | 162 (25.4) | 183 (28.7) | 188 (29.6) | 171 (27.0) | |
| Aboriginal and/or Torres Strait Islanderb | .224 | ||||
| No | 595 (93.4) | 596 (93.6) | 578 (90.9) | 596 (94.0) | |
| Yes | 36 (5.7) | 34 (5.3) | 48 (7.6) | 32 (5.1) | |
| Prefer not to say | 6 (0.9) | 7 (1.1) | 10 (1.6) | 6 (1.0) | |
| Health care card or pensioner concession card holderc | .952 | ||||
| No | 422 (66.3) | 416 (65.3) | 425 (66.8) | 418 (65.9) | |
| Yes | 215 (33.8) | 221 (34.7) | 211 (33.2) | 216 (34.1) | |
| Quit attempts in past year | .410 | ||||
| None | 297 (46.6) | 290 (45.5) | 300 (47.2) | 291 (45.9) | |
| At least once | 287 (45.1) | 291 (45.7) | 296 (46.5) | 305 (48.1) | |
| Don’t know/can’t say | 53 (8.3) | 56 (8.8) | 40 (6.3) | 38 (6.0) | |
| Frequency of e-cigarette use | .852 | ||||
| Less than monthly | 380 (59.7) | 377 (59.2) | 367 (57.7) | 366 (57.7) | |
| At least monthly | 257 (40.4) | 260 (40.8) | 269 (42.3) | 268 (42.3) | |
| Frequency of FMC and/or RYO cigarette use | .319 | ||||
| Less than daily | 128 (20.1) | 150 (23.6) | 138 (21.7) | 152 (24.0) | |
| At least daily | 509 (79.9) | 487 (76.5) | 498 (78.3) | 482 (76.0) | |
| Predominant product used | 1.000 | ||||
| RYO cigarettes | 130 (20.4) | 133 (20.9) | 132 (20.8) | 130 (20.5) | |
| FMC cigarettes | 357 (56.0) | 354 (55.6) | 347 (54.6) | 353 (55.7) | |
| Menthol/menthol crushball RYO cigarettes | 76 (11.9) | 77 (12.1) | 78 (12.3) | 78 (12.3) | |
| Menthol/menthol crushball FMC cigarettes | 74 (11.6) | 73 (11.5) | 79 (12.4) | 73 (11.5) |
| Control . | Standard HWs . | Product Attribute HWs . | Product Attribute HWs + Video . | χ2 test . | |
|---|---|---|---|---|---|
| n (%) . | n (%) . | n (%) . | n (%) . | P-value . | |
| Total | 637 (100.0) | 637 (100.0) | 636 (100.0) | 634 (100.0) | |
| Age group | .156 | ||||
| 18–39 years | 395 (62.0) | 370 (58.1) | 364 (57.2) | 387 (61.0) | |
| 40–54 years | 182 (28.6) | 179 (28.1) | 198 (31.1) | 183 (28.9) | |
| 55–69 years | 60 (9.4) | 88 (13.8) | 74 (11.6) | 64 (10.1) | |
| Gendera | .133 | ||||
| Man/male | 335 (52.6) | 297 (46.6) | 324 (50.9) | 309 (48.7) | |
| Woman/female | 298 (46.8) | 339 (53.2) | 309 (48.6) | 323 (51.0) | |
| Another term | 1 (0.2) | 1 (0.2) | 3 (0.5) | 0 (0.0) | |
| Prefer not to say | 3 (0.5) | 0 (0.0) | 0 (0.0) | 2 (0.3) | |
| Highest level of education | .422 | ||||
| No tertiary education | 358 (56.2) | 372 (58.4) | 348 (54.7) | 363 (57.3) | |
| Tertiary education | 274 (43.0) | 261 (41.0) | 281 (44.2) | 270 (42.6) | |
| Socio-economic area | .197 | ||||
| Low | 244 (38.3) | 250 (39.3) | 251 (39.5) | 242 (38.2) | |
| Mid | 275 (43.2) | 274 (43.0) | 240 (37.7) | 254 (40.1) | |
| High | 118 (18.5) | 112 (17.6) | 145 (22.8) | 138 (21.8) | |
| Geographic region | .356 | ||||
| Metropolitan | 475 (74.6) | 454 (71.3) | 448 (70.4) | 463 (73.0) | |
| Regional | 162 (25.4) | 183 (28.7) | 188 (29.6) | 171 (27.0) | |
| Aboriginal and/or Torres Strait Islanderb | .224 | ||||
| No | 595 (93.4) | 596 (93.6) | 578 (90.9) | 596 (94.0) | |
| Yes | 36 (5.7) | 34 (5.3) | 48 (7.6) | 32 (5.1) | |
| Prefer not to say | 6 (0.9) | 7 (1.1) | 10 (1.6) | 6 (1.0) | |
| Health care card or pensioner concession card holderc | .952 | ||||
| No | 422 (66.3) | 416 (65.3) | 425 (66.8) | 418 (65.9) | |
| Yes | 215 (33.8) | 221 (34.7) | 211 (33.2) | 216 (34.1) | |
| Quit attempts in past year | .410 | ||||
| None | 297 (46.6) | 290 (45.5) | 300 (47.2) | 291 (45.9) | |
| At least once | 287 (45.1) | 291 (45.7) | 296 (46.5) | 305 (48.1) | |
| Don’t know/can’t say | 53 (8.3) | 56 (8.8) | 40 (6.3) | 38 (6.0) | |
| Frequency of e-cigarette use | .852 | ||||
| Less than monthly | 380 (59.7) | 377 (59.2) | 367 (57.7) | 366 (57.7) | |
| At least monthly | 257 (40.4) | 260 (40.8) | 269 (42.3) | 268 (42.3) | |
| Frequency of FMC and/or RYO cigarette use | .319 | ||||
| Less than daily | 128 (20.1) | 150 (23.6) | 138 (21.7) | 152 (24.0) | |
| At least daily | 509 (79.9) | 487 (76.5) | 498 (78.3) | 482 (76.0) | |
| Predominant product used | 1.000 | ||||
| RYO cigarettes | 130 (20.4) | 133 (20.9) | 132 (20.8) | 130 (20.5) | |
| FMC cigarettes | 357 (56.0) | 354 (55.6) | 347 (54.6) | 353 (55.7) | |
| Menthol/menthol crushball RYO cigarettes | 76 (11.9) | 77 (12.1) | 78 (12.3) | 78 (12.3) | |
| Menthol/menthol crushball FMC cigarettes | 74 (11.6) | 73 (11.5) | 79 (12.4) | 73 (11.5) |
Abbreviations: HWs = health warnings; FMC = factory-made cigarettes; RYO = roll-your-own. Proportions are rounded so may not sum to 100.0%. No response was provided for the highest level of education for n = 5 in the control condition, n = 4 in the Standard HWs condition, n = 7 in the Product Attribute HWs condition, and n = 1 in the Product Attribute HWs + Video condition. Socio-economic area could not be computed for n = 1 in the Standard HWs condition.
aChi-square test was conducted with ‘another term’ and ‘prefer not to say’ coded as missing due to limited observations.
bChi-square test was conducted with ‘prefer not to say’ coded as ‘no’ due to limited observations.
cIndividual-level measure of socio-economic status.
dRYO and FMC categories comprised both people who smoked menthol cigarettes and people who smoked non-menthol cigarettes.
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