| Characteristic . | CPE-Negative Household Contacts (n = 161) . | CPE-Colonized Household Contacts (n = 16) . | P Value . |
|---|---|---|---|
| Female sex, n (%) | 98 (61) | 12 (75) | .4 |
| Age, median (IQR), years | 41 (23–61) | 68 (40–78) | .001 |
| Charlson score of 1 or greater, n (%) | 12 (7) | 4 (25) | .04 |
| Relationship to index case, n (%) | |||
| Spouse | 42 (26) | 14 (88) | <.0001 |
| Child | 44 (27) | 2 (13) | |
| Other | 75 (47) | 0 (0) | |
| Receipt of antibiotics in prior 6 months, n (%)a | 27 (19) | 3 (19) | 1.0 |
| Travel in prior year (with/without hospitalization), n (%) | |||
| Indian subcontinent | 68 (42) | 12 (75) | .04 |
| Other countries except United States/northern Europe) | 14 (9) | 1 (6) | |
| None or United States/northern Europe | 79 (49) | 3 (19) | |
| Hospitalization in prior year, n (%) | |||
| Outside Canada | 3 (2) | 0 (0) | .8 |
| In Canada | 12 (7) | 1 (6) | |
| None | 146 (91) | 15 (94) | |
| Contact with index case, n (%) | |||
| Skin-to-skin contact almost daily | 61 (38) | 6 (38) | 1.0 |
| Always share primary bathroom | 75 (47) | 14 (88) | .002 |
| Always share hand/body towels | 39 (24) | 7 (44) | .09 |
| All home visits prior to introduction of direct polymerase chain reaction, n (%) | 111 (69) | 3 (19) | .0001 |
| Characteristic . | CPE-Negative Household Contacts (n = 161) . | CPE-Colonized Household Contacts (n = 16) . | P Value . |
|---|---|---|---|
| Female sex, n (%) | 98 (61) | 12 (75) | .4 |
| Age, median (IQR), years | 41 (23–61) | 68 (40–78) | .001 |
| Charlson score of 1 or greater, n (%) | 12 (7) | 4 (25) | .04 |
| Relationship to index case, n (%) | |||
| Spouse | 42 (26) | 14 (88) | <.0001 |
| Child | 44 (27) | 2 (13) | |
| Other | 75 (47) | 0 (0) | |
| Receipt of antibiotics in prior 6 months, n (%)a | 27 (19) | 3 (19) | 1.0 |
| Travel in prior year (with/without hospitalization), n (%) | |||
| Indian subcontinent | 68 (42) | 12 (75) | .04 |
| Other countries except United States/northern Europe) | 14 (9) | 1 (6) | |
| None or United States/northern Europe | 79 (49) | 3 (19) | |
| Hospitalization in prior year, n (%) | |||
| Outside Canada | 3 (2) | 0 (0) | .8 |
| In Canada | 12 (7) | 1 (6) | |
| None | 146 (91) | 15 (94) | |
| Contact with index case, n (%) | |||
| Skin-to-skin contact almost daily | 61 (38) | 6 (38) | 1.0 |
| Always share primary bathroom | 75 (47) | 14 (88) | .002 |
| Always share hand/body towels | 39 (24) | 7 (44) | .09 |
| All home visits prior to introduction of direct polymerase chain reaction, n (%) | 111 (69) | 3 (19) | .0001 |
Abbreviations: CPE, carbapenemase-producing Enterobacterales; IQR, interquartile range.
aData missing for 22 household contacts, as this question was not added to the data collection form until December 2015.
| Characteristic . | CPE-Negative Household Contacts (n = 161) . | CPE-Colonized Household Contacts (n = 16) . | P Value . |
|---|---|---|---|
| Female sex, n (%) | 98 (61) | 12 (75) | .4 |
| Age, median (IQR), years | 41 (23–61) | 68 (40–78) | .001 |
| Charlson score of 1 or greater, n (%) | 12 (7) | 4 (25) | .04 |
| Relationship to index case, n (%) | |||
| Spouse | 42 (26) | 14 (88) | <.0001 |
| Child | 44 (27) | 2 (13) | |
| Other | 75 (47) | 0 (0) | |
| Receipt of antibiotics in prior 6 months, n (%)a | 27 (19) | 3 (19) | 1.0 |
| Travel in prior year (with/without hospitalization), n (%) | |||
| Indian subcontinent | 68 (42) | 12 (75) | .04 |
| Other countries except United States/northern Europe) | 14 (9) | 1 (6) | |
| None or United States/northern Europe | 79 (49) | 3 (19) | |
| Hospitalization in prior year, n (%) | |||
| Outside Canada | 3 (2) | 0 (0) | .8 |
| In Canada | 12 (7) | 1 (6) | |
| None | 146 (91) | 15 (94) | |
| Contact with index case, n (%) | |||
| Skin-to-skin contact almost daily | 61 (38) | 6 (38) | 1.0 |
| Always share primary bathroom | 75 (47) | 14 (88) | .002 |
| Always share hand/body towels | 39 (24) | 7 (44) | .09 |
| All home visits prior to introduction of direct polymerase chain reaction, n (%) | 111 (69) | 3 (19) | .0001 |
| Characteristic . | CPE-Negative Household Contacts (n = 161) . | CPE-Colonized Household Contacts (n = 16) . | P Value . |
|---|---|---|---|
| Female sex, n (%) | 98 (61) | 12 (75) | .4 |
| Age, median (IQR), years | 41 (23–61) | 68 (40–78) | .001 |
| Charlson score of 1 or greater, n (%) | 12 (7) | 4 (25) | .04 |
| Relationship to index case, n (%) | |||
| Spouse | 42 (26) | 14 (88) | <.0001 |
| Child | 44 (27) | 2 (13) | |
| Other | 75 (47) | 0 (0) | |
| Receipt of antibiotics in prior 6 months, n (%)a | 27 (19) | 3 (19) | 1.0 |
| Travel in prior year (with/without hospitalization), n (%) | |||
| Indian subcontinent | 68 (42) | 12 (75) | .04 |
| Other countries except United States/northern Europe) | 14 (9) | 1 (6) | |
| None or United States/northern Europe | 79 (49) | 3 (19) | |
| Hospitalization in prior year, n (%) | |||
| Outside Canada | 3 (2) | 0 (0) | .8 |
| In Canada | 12 (7) | 1 (6) | |
| None | 146 (91) | 15 (94) | |
| Contact with index case, n (%) | |||
| Skin-to-skin contact almost daily | 61 (38) | 6 (38) | 1.0 |
| Always share primary bathroom | 75 (47) | 14 (88) | .002 |
| Always share hand/body towels | 39 (24) | 7 (44) | .09 |
| All home visits prior to introduction of direct polymerase chain reaction, n (%) | 111 (69) | 3 (19) | .0001 |
Abbreviations: CPE, carbapenemase-producing Enterobacterales; IQR, interquartile range.
aData missing for 22 household contacts, as this question was not added to the data collection form until December 2015.
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