Risk of early (< 6 mo) cessation of exclusive breastfeeding in relation to household food insecurity status, sociodemographic characteristics, and mother’s mood disorder or diabetes mellitus*
| Variable | Model; HR (95% CI) | |||
|---|---|---|---|---|
| Unadjusted | Model 1† | Model 2‡ | Model 3§ | |
| Household food insecurity status | ||||
| Secure | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) |
| Marginally insecure | 1.21 (1.02–1.42) | 1.18 (0.99–1.39) | 1.17 (0.98–1.39) | 1.17 (0.99–1.38) |
| Moderately insecure | 1.29 (1.13–1.46) | 1.26 (1.06–1.48) | 1.25 (1.05–1.47) | 1.24 (1.05–1.46) |
| Severely insecure | 1.29 (1.08–1.55) | 1.21 (0.97–1.52) | 1.20 (0.96–1.50) | 1.19 (0.96–1.49) |
| Age, per yr | NA | 0.99 (0.98–1.00) | 0.99 (0.98–1.00) | 0.99 (0.98–1.00) |
| Education | ||||
| Postsecondary graduation | NA | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) |
| Less than postsecondary graduation | NA | 1.07 (0.98–1.18) | 1.08 (0.98–1.18) | 1.07 (0.98–1.18) |
| Partnership status | ||||
| Married or common-law | NA | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) |
| Single, divorced, separated, widowed | NA | 1.08 (0.95–1.21) | 1.07 (0.95–1.21) | 1.07 (0.95–1.21) |
| Immigrant status | ||||
| Non-immigrant | NA | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) |
| Immigrant | NA | 0.91 (0.84–1.00) | 0.92 (0.84–1.00) | 0.91 (0.84–1.00) |
| No. of children < 18 yr, per child | NA | 0.91 (0.88–0.95) | 0.91 (0.88–0.95) | 0.91 (0.88–0.95) |
| Income (adjusted for household size), per $5000 | NA | 1.00 (1.00–1.01) | 1.00 (1.00–1.01) | 1.00 (1.00–1.01) |
| Aboriginal identity | ||||
| No | NA | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) |
| Yes | NA | 0.96 (0.84–1.08) | 0.96 (0.84–1.09) | 0.95 (0.84–1.08) |
| Mood disorder | ||||
| No | NA | NA | 1.00 (ref) | NA |
| Yes | NA | NA | 1.11 (0.96–1.27) | NA |
| Diabetes mellitus | ||||
| No | NA | NA | NA | 1.00 (ref) |
| Yes | NA | NA | NA | 1.80 (1.09–2.96) |
| Survey year | ||||
| 2005 | NA | 1.09 (0.97–1.21) | 1.09 (0.98–1.21) | 1.08 (0.97–1.21) |
| 2007 | NA | 1.16 (1.02–1.32) | 1.16 (1.02–1.32) | 1.17 (1.03–1.33) |
| 2008 | NA | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) |
| 2009 | NA | 1.16 (1.01–1.32) | 1.16 (1.02–1.32) | 1.16 (1.02–1.32) |
| 2010 | NA | 1.04 (0.92–1.18) | 1.04 (0.92–1.18) | 1.04 (0.91–1.18) |
| 2011 | NA | 1.13 (1.00–1.29) | 1.13 (1.00–1.29) | 1.13 (0.99–1.28) |
| 2012 | NA | 1.21 (1.06–1.37) | 1.21 (1.06–1.38) | 1.21 (1.07–1.38) |
| 2013 | NA | 1.21 (1.06–1.39) | 1.21 (1.06–1.38) | 1.21 (1.06–1.39) |
| 2014 | NA | 1.06 (0.92–1.23) | 1.06 (0.91–1.23) | 1.07 (0.92–1.23) |
Note: CI = confidence interval, HR = hazard ratio, NA = not applicable, ref = reference category.
↵* Rounded n = 7950.
↵† Adjusted for age, education, partnership status, immigrant status, number of children < 18 years of age, income (adjusted for household size), Aboriginal identity and survey year.
↵‡ Adjusted for the same variables as model 1, plus adjustment for presence of mood disorder.
↵§ Adjusted for the same variables as model 1, plus adjustment for presence of diabetes mellitus.