TABLE 4 Open in new tab Predictive...

	Workers who did not require routine medical care (n = 17 526)	Workers who used medical care (n = 8451)	Workers who experienced interrupted medical care (n = 1059)
Total	17526	100	1.4	0.03	8451	100	2.2	0.05	<.001	1059	100	6.6	0.25	<.001
Main symptom
No problem	10938	62.4	0.8	0.03	3642	43.1	0.9	0.03	1.000	160	15.1	2.6	0.15	<.001
Pain	849	4.8	2.0	0.10	842	10.0	2.5	0.12	<.001	144	13.6	6.1	0.33	<.001
Movement	481	2.7	2.3	0.16	344	4.1	2.8	0.20	1.000	54	5.1	6.5	0.44	.428
Tightness, loss of energy, appetite, fever, dizziness, or feeling poor	715	4.1	3.4	0.15	583	6.9	4.1	0.17	.027	133	12.6	8.9	0.39	<.001
Toileting or elimination	263	1.5	2.0	0.18	201	2.4	2.5	0.23	1.000	40	3.8	5.5	0.50	<.001
Mental health	1143	6.5	3.8	0.14	909	10.8	4.7	0.17	<.001	219	20.7	9.9	0.38	<.001
Skin, hair, or beauty	389	2.2	1.5	0.14	160	1.9	1.9	0.18	.006	29	2.7	4.9	0.44	.513
Sleep	997	5.7	2.3	0.11	637	7.5	2.8	0.14	.127	116	11.0	6.5	0.35	<.001
Eyes	795	4.5	1.5	0.09	512	6.1	1.8	0.11	.319	65	6.1	4.3	0.30	<.001
Nose	98	0.6	1.2	0.20	71	0.8	1.5	0.25	1.000	9	0.9	3.4	0.54	1.000
Ears	80	0.5	1.7	0.25	84	1.0	2.2	0.30	1.000	12	1.1	5.7	0.73	.056
Other	778	4.4	2.0	0.13	466	5.5	2.5	0.17	.031	78	7.4	6.3	0.41	<.001

Workers who did not require routine medical care (n = 17 526)

Workers who used medical care (n = 8451)

Workers who experienced interrupted medical care (n = 1059)

Predictive margins^a

Standard error

Predictive margins^a

Standard error

P^b

Predictive margins^a

Standard error

P^b

Total

17526

100

1.4

0.03

8451

100

2.2

0.05

<.001

1059

100

6.6

0.25

<.001

Main symptom

No problem

10938

62.4

0.8

0.03

3642

43.1

0.9

0.03

1.000

160

15.1

2.6

0.15

<.001

Pain

849

4.8

2.0

0.10

842

10.0

2.5

0.12

<.001

144

13.6

6.1

0.33

<.001

Movement

481

2.7

2.3

0.16

344

4.1

2.8

0.20

1.000

5.1

6.5

0.44

.428

Tightness, loss of energy, appetite, fever, dizziness, or feeling poor

715

4.1

3.4

0.15

583

6.9

4.1

0.17

.027

133

12.6

8.9

0.39

<.001

Toileting or elimination

263

1.5

2.0

0.18

201

2.4

2.5

0.23

1.000

3.8

5.5

0.50

<.001

Mental health

1143

6.5

3.8

0.14

909

10.8

4.7

0.17

<.001

219

20.7

9.9

0.38

<.001

Skin, hair, or beauty

389

2.2

1.5

0.14

160

1.9

0.18

.006

2.7

4.9

0.44

.513

Sleep

997

5.7

2.3

0.11

637

7.5

2.8

0.14

.127

116

11.0

6.5

0.35

<.001

Eyes

795

4.5

1.5

0.09

512

6.1

1.8

0.11

.319

6.1

4.3

0.30

<.001

Nose

0.6

1.2

0.20

0.8

1.5

0.25

1.000

0.9

3.4

0.54

1.000

Ears

0.5

1.7

0.25

1.0

2.2

0.30

1.000

1.1

5.7

0.73

.056

Other

778

4.4

2.0

0.13

466

5.5

2.5

0.17

.031

7.4

6.3

0.41

<.001

	Workers who did not require routine medical care (n = 17 526)	Workers who used medical care (n = 8451)	Workers who experienced interrupted medical care (n = 1059)
Total	17526	100	1.4	0.03	8451	100	2.2	0.05	<.001	1059	100	6.6	0.25	<.001
Main symptom
No problem	10938	62.4	0.8	0.03	3642	43.1	0.9	0.03	1.000	160	15.1	2.6	0.15	<.001
Pain	849	4.8	2.0	0.10	842	10.0	2.5	0.12	<.001	144	13.6	6.1	0.33	<.001
Movement	481	2.7	2.3	0.16	344	4.1	2.8	0.20	1.000	54	5.1	6.5	0.44	.428
Tightness, loss of energy, appetite, fever, dizziness, or feeling poor	715	4.1	3.4	0.15	583	6.9	4.1	0.17	.027	133	12.6	8.9	0.39	<.001
Toileting or elimination	263	1.5	2.0	0.18	201	2.4	2.5	0.23	1.000	40	3.8	5.5	0.50	<.001
Mental health	1143	6.5	3.8	0.14	909	10.8	4.7	0.17	<.001	219	20.7	9.9	0.38	<.001
Skin, hair, or beauty	389	2.2	1.5	0.14	160	1.9	1.9	0.18	.006	29	2.7	4.9	0.44	.513
Sleep	997	5.7	2.3	0.11	637	7.5	2.8	0.14	.127	116	11.0	6.5	0.35	<.001
Eyes	795	4.5	1.5	0.09	512	6.1	1.8	0.11	.319	65	6.1	4.3	0.30	<.001
Nose	98	0.6	1.2	0.20	71	0.8	1.5	0.25	1.000	9	0.9	3.4	0.54	1.000
Ears	80	0.5	1.7	0.25	84	1.0	2.2	0.30	1.000	12	1.1	5.7	0.73	.056
Other	778	4.4	2.0	0.13	466	5.5	2.5	0.17	.031	78	7.4	6.3	0.41	<.001

TABLE 4

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Predictive margins of sickness presenteeism days for each symptom and comparison between each treatment status

	Workers who did not require routine medical care (n = 17 526)				Workers who used medical care (n = 8451)					Workers who experienced interrupted medical care (n = 1059)
	n	%	Predictive margins^a	Standard error	n	%	Predictive margins^a	Standard error	P^b	n	%	Predictive margins^a	Standard error	P^b
Total	17526	100	1.4	0.03	8451	100	2.2	0.05	<.001	1059	100	6.6	0.25	<.001
Main symptom
No problem	10938	62.4	0.8	0.03	3642	43.1	0.9	0.03	1.000	160	15.1	2.6	0.15	<.001
Pain	849	4.8	2.0	0.10	842	10.0	2.5	0.12	<.001	144	13.6	6.1	0.33	<.001
Movement	481	2.7	2.3	0.16	344	4.1	2.8	0.20	1.000	54	5.1	6.5	0.44	.428
Tightness, loss of energy, appetite, fever, dizziness, or feeling poor	715	4.1	3.4	0.15	583	6.9	4.1	0.17	.027	133	12.6	8.9	0.39	<.001
Toileting or elimination	263	1.5	2.0	0.18	201	2.4	2.5	0.23	1.000	40	3.8	5.5	0.50	<.001
Mental health	1143	6.5	3.8	0.14	909	10.8	4.7	0.17	<.001	219	20.7	9.9	0.38	<.001
Skin, hair, or beauty	389	2.2	1.5	0.14	160	1.9	1.9	0.18	.006	29	2.7	4.9	0.44	.513
Sleep	997	5.7	2.3	0.11	637	7.5	2.8	0.14	.127	116	11.0	6.5	0.35	<.001
Eyes	795	4.5	1.5	0.09	512	6.1	1.8	0.11	.319	65	6.1	4.3	0.30	<.001
Nose	98	0.6	1.2	0.20	71	0.8	1.5	0.25	1.000	9	0.9	3.4	0.54	1.000
Ears	80	0.5	1.7	0.25	84	1.0	2.2	0.30	1.000	12	1.1	5.7	0.73	.056
Other	778	4.4	2.0	0.13	466	5.5	2.5	0.17	.031	78	7.4	6.3	0.41	<.001

	Workers who did not require routine medical care (n = 17 526)				Workers who used medical care (n = 8451)					Workers who experienced interrupted medical care (n = 1059)
	n	%	Predictive margins^a	Standard error	n	%	Predictive margins^a	Standard error	P^b	n	%	Predictive margins^a	Standard error	P^b
Total	17526	100	1.4	0.03	8451	100	2.2	0.05	<.001	1059	100	6.6	0.25	<.001
Main symptom
No problem	10938	62.4	0.8	0.03	3642	43.1	0.9	0.03	1.000	160	15.1	2.6	0.15	<.001
Pain	849	4.8	2.0	0.10	842	10.0	2.5	0.12	<.001	144	13.6	6.1	0.33	<.001
Movement	481	2.7	2.3	0.16	344	4.1	2.8	0.20	1.000	54	5.1	6.5	0.44	.428
Tightness, loss of energy, appetite, fever, dizziness, or feeling poor	715	4.1	3.4	0.15	583	6.9	4.1	0.17	.027	133	12.6	8.9	0.39	<.001
Toileting or elimination	263	1.5	2.0	0.18	201	2.4	2.5	0.23	1.000	40	3.8	5.5	0.50	<.001
Mental health	1143	6.5	3.8	0.14	909	10.8	4.7	0.17	<.001	219	20.7	9.9	0.38	<.001
Skin, hair, or beauty	389	2.2	1.5	0.14	160	1.9	1.9	0.18	.006	29	2.7	4.9	0.44	.513
Sleep	997	5.7	2.3	0.11	637	7.5	2.8	0.14	.127	116	11.0	6.5	0.35	<.001
Eyes	795	4.5	1.5	0.09	512	6.1	1.8	0.11	.319	65	6.1	4.3	0.30	<.001
Nose	98	0.6	1.2	0.20	71	0.8	1.5	0.25	1.000	9	0.9	3.4	0.54	1.000
Ears	80	0.5	1.7	0.25	84	1.0	2.2	0.30	1.000	12	1.1	5.7	0.73	.056
Other	778	4.4	2.0	0.13	466	5.5	2.5	0.17	.031	78	7.4	6.3	0.41	<.001

Note %: proportion of the total number of respondents for each treatment status.

predictive margins: mean predicted number of sickness presenteeism days for each symptom and treatment status using the model in Tables 2 and 3 with substitution of measured values for other covariates (adjusted using the Bonferroni method); calculated using the formula: mean predicted fraction × 30 (days).

P-value for simple main effects for each treatment status compared to workers who did not require routine medical care using a model that included the interaction term for treatment status and main symptoms (adjusted using the Bonferroni method).

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