| Characteristics | Problems becoming pregnant | Unadjusted | Adjusted | Yes () | No () | Odds ratio (95% CIs) | value | Odds ratio (95% CIs) | value |
| Age (years) | 38 (33, 43) | 38 (33, 44) | | | | | 18–25 | 2 (3%) | 18 (5%) | 1 | | 1 | | 26–40 | 44 (64%) | 181 (53%) | 2.19 (0.49, 9.78) | 0.31 | 1.60 (0.33, 7.69) | 0.56 | >40 | 23 (33%) | 144 (42%) | 1.44 (0.31, 6.61) | 0.64 | 1.13 (0.23, 5.59) | 0.88 | Ethnic background | | | | | | | African | 25 (35%) | 168 (50%) | 1 | | | | Caribbean | 7 (10%) | 33 (10%) | 1.43 (0.57, 3.57) | 0.45 | | | European-British | 10 (14%) | 33 (10%) | 2.04 (0.89, 4.64) | 0.09 | | | French-Canadian | 11 (15%) | 38 (11%) | 1.95 (0.88, 4.29) | 0.10 | | | Aboriginal | 8 (11%) | 30 (9%) | 1.79 (0.74, 4.35) | 0.20 | | | Other | 10 (14%) | 35 (10%) | 1.92 (0.85, 4.35) | 0.12 | | | African ethnicity versus other | | | 0.55 (0.32, 0.93) | 0.03 | | | Birth place | | | | | | | Africa | 26 (37%) | 161 (47%) | 1 | | | | Canada | 34 (48%) | 126 (37%) | 1.67 (0.95, 2.93) | 0.07 | | | Caribbean | 7 (10%) | 30 (9%) | 1.44 (0.58, 3.63) | 0.43 | | | Other | 4 (6%) | 25 (7%) | 0.99 (0.32, 3.08) | 0.99 | | | Not born in Canada | 37 (51%) | 216 (61%) | 0.67 (0.40, 1.12) | 0.12 | | | Years in Canada (for those not born in Canada) | 8 (3, 17) | 5 (2, 11) | 1.03 (0.99, 1.06) | 0.13 | | | Toronto region | 33 (46%) | 181 (51%) | 0.80 (0.48, 1.34) | 0.40 | | | Working | 27 (39%) | 129 (38%) | 1.04 (0.61, 1.77) | 0.88 | | | On government assistance | 36 (51%) | 172 (50%) | 1.05 (0.63, 1.76) | 0.84 | | | Marital status | | | | | | | Married/common-law/living with a partner | 34 (50%) | 152 (46%) | 1.08 (0.57, 2.05) | 0.82 | | | Divorced/widowed | 17 (25%) | 96 (29%) | 0.85 (0.41, 1.78) | 0.67 | | | Never married | 17 (25%) | 82 (25%) | 1 | | | | Education | | | | | | | High school or higher | 43 (69%) | 204 (66%) | 1.14 (0.63, 2.06) | 0.66 | | | Less than high school | 19 (31%) | 103 (34%) | 1 | | | | Annual household income | | | | | | | <20 K | 19 (30%) | 150 (51%) | 1 | | 1 | | 20–40 K | 23 (37%) | 85 (29%) | 2.14 (1.10, 4.15) | 0.02 | 2.36 (1.16, 4.80) | 0.02 | >40 K | 21 (33%) | 60 (20%) | 2.76 (1.39, 5.50) | <0.01 | 2.63 (1.25, 5.52) | 0.01 | Years since diagnosis of HIV positive | 9 (4, 13) | 7 (4, 12) | 1.00 (0.99, 1.01) | 0.74 | | | Hepatitis B co-infection | 3 (4%) | 9 (3%) | 1.60 (0.42, 6.08) | 0.49 | | | Hepatitis C co-infection | 11 (15%) | 54 (16%) | 0.96 (0.47, 1.94) | 0.90 | | | CD4 ≥ 200 cells/mm3 | 55 (92%) | 220 (90%) | 1.25 (0.46, 3.41) | 0.66 | | | Recent VL (log10 copies/mL) | 4 (4, 5) | 4 (3, 4) | 1.90 (0.91, 3.97) | 0.09 | | | Ever on HIV medication | 67 (93%) | 297 (85%) | 2.30 (0.88, 5.98) | 0.09 | | | Currently on HIV treatment | 62 (86%) | 248 (72%) | 2.40 (1.18, 4.87) | 0.02 | 2.53 (1.12, 5.71) | 0.03 | Partner | | | | | | | HIV negative | 27 (66%) | 105 (53%) | 1 | | | | HIV positive | 14 (34%) | 92 (47%) | 0.59 (0.29, 1.20) | 0.14 | | | In sexual relationship | 37 (52%) | 190 (54%) | 0.91 (0.55, 1.52) | 0.72 | | | Monogamous relations | 35 (49%) | 181 (52%) | 0.91 (0.55, 1.52) | 0.73 | | | Current contraceptive use | 30 (42%) | 115 (33%) | 1.43 (0.85, 2.41) | 0.17 | | | Ever gave birth | 56 (79%) | 304 (87%) | 0.55 (0.29, 1.06) | 0.07 | | | Lifetime pregnancies | | | | | | | At least once | 23 (33%) | 61 (17%) | 1 | | 1 | | ≥2 | 47 (67%) | 288 (83%) | 0.43 (0.24, 0.77) | <0.01 | 0.41 (0.21, 0.78) | <0.01 | Lifetime births | | | | | | | At least once | 45 (63%) | 142 (41%) | 1 | | | | ≥2 | 26 (37%) | 207 (59%) | 0.40 (0.23, 0.67) | <0.001 | | |
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