Table 3.
Logistic regression models predicting the likelihood of reporting a previous induced abortion among young women
| Model 0 | Model 1a | Model 2a | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OR unadjusted | 95 % Confidence Interval | OR adjusted | 95 % Confidence Interval | OR adjusted | 95 % Confidence Interval | ||||
| Lower | Upper | Lower | Upper | Lower | Upper | ||||
| Socio-demographics | |||||||||
| Age group | |||||||||
| 10–19 years (ref) | -- | -- | -- | ||||||
| 20–24 years | 0.09* | 0.06 | 0.15 | 0.82 | 0.44 | 1.55 | 0.90 | 0.42 | 1.95 |
| Residence | |||||||||
| Urban (ref) | -- | -- | -- | ||||||
| Rural | 0.05* | 0.03 | 0.11 | 0.21* | 0.07 | 0.61 | 0.28* | 0.11 | 0.70 |
| Education | |||||||||
| No education/incomplete primary (ref) | -- | -- | -- | ||||||
| Complete primary | 0.13* | 0.06 | 0.27 | 1.35 | 0.52 | 3.47 | 1.22 | 0.43 | 3.48 |
| Incomplete secondary | 0.12* | 0.05 | 0.28 | 0.75 | 0.25 | 2.23 | 0.82 | 0.31 | 2.18 |
| Complete secondary | 0.13* | 0.07 | 0.22 | 0.64 | 0.28 | 1.47 | 0.64 | 0.23 | 1.77 |
| Post-secondary | 0.08* | 0.04 | 0.14 | 0.22* | 0.07 | 0.68 | 0.21* | 0.07 | 0.67 |
| Marital status | |||||||||
| Never married (ref) | -- | -- | -- | ||||||
| Currently/formerly married | 0.07* | 0.03 | 0.15 | 0.83 | 0.40 | 1.68 | 0.72 | 0.31 | 1.65 |
| Religion | |||||||||
| Roman Catholic (ref) | -- | -- | -- | ||||||
| Other Christian | 0.09* | 0.05 | 0.15 | 0.42* | 0.22 | 0.78 | 0.42* | 0.21 | 0.85 |
| Muslim | 0.01* | 0.00 | 0.05 | 0.08* | 0.02 | 0.29 | 0.09* | 0.02 | 0.37 |
| Other/No religion | 0.40 | 0.11 | 1.49 | 4.63* | 1.10 | 19.40 | 4.65* | 1.03 | 20.95 |
| Occupation | |||||||||
| Unemployed/other (ref) | -- | -- | |||||||
| Housewife | 0.01* | 0.00 | 0.05 | 0.09* | 0.03 | 0.27 | 0.08* | 0.03 | 0.25 |
| Student | 0.13* | 0.08 | 0.22 | 0.94 | 0.36 | 2.46 | 0.94 | 0.30 | 2.92 |
| Skilled/clerical/sales/services | 0.15* | 0.07 | 0.33 | 0.85 | 0.35 | 2.06 | 0.75 | 0.30 | 1.86 |
| Farmer/unskilled laborer | 0.15* | 0.06 | 0.41 | 0.86 | 0.33 | 2.23 | 0.93 | 0.38 | 2.29 |
| Reproductive characteristics | |||||||||
| Parity | |||||||||
| 0 (ref) | -- | -- | |||||||
| 1 | 0.11* | 0.06 | 0.22 | 0.94 | 0.40 | 2.23 | |||
| 2+ | 0.07* | 0.02 | 0.23 | 0.88 | 0.33 | 2.38 | |||
| Type of contraception used (pre-abortion) | |||||||||
| None (ref) | -- | -- | |||||||
| Pill | 0.29* | 0.09 | 0.92 | 3.35† | 0.94 | 11.93 | |||
| Injection/implant/IUD | 0.05* | 0.01 | 0.27 | 0.75 | 0.11 | 4.90 | |||
| Male condom | 0.14* | 0.04 | 0.55 | 1.78 | 0.37 | 8.68 | |||
| Emergency contraception | 0.37† | 0.13 | 1.04 | 3.03* | 1.02 | 9.06 | |||
| Rhythm/withdrawal/LAM | 0.27* | 0.12 | 0.63 | 3.30† | 0.96 | 11.37 | |||
| Pregnancy desired | |||||||||
| Then (ref) | -- | -- | |||||||
| Later | 0.10* | 0.05 | 0.19 | 0.56 | 0.22 | 1.44 | |||
| Not at all | 0.14* | 0.09 | 0.23 | 0.61 | 0.27 | 1.36 | |||
| Unsure | 0.35 | 0.09 | 1.34 | 1.31 | 0.46 | 3.76 | |||
† p < 0.10 and *p < 0.05 (based on adjusted Wald tests); ref = reference group
aThe adjusted odds ratios reported here were derived from the multivariable logistic regression analysis that contained all the socio-demographic (Model 1) and all the socio-demographic and reproductive characteristics (Model 2) shown in the table