Table 2. Logistic regression on determinants of unintended pregnancy in SSA.
| Variables | Sample Size | Model I Odds Ratio (OR) 95% CI |
Model II Odds Ratio (OR) 95% CI |
|---|---|---|---|
| Country | |||
| Angola | 1,404 | Ref | Ref |
| Burkina Faso | 1,648 | 4.58***[3.82–5.51] | 2.36***[1.91–2.92] |
| Benin | 1,492 | 1.74***[1.49–2.04] | 0.78**[0.65–0.94] |
| Burundi | 1,339 | 0.85*[0.73–0.99] | 0.52***[0.44–0.63] |
| Congo DR | 2,360 | 1.22**[1.07–1.40] | 0.85*[0.73–0.99] |
| Congo | 1,093 | 1.04[0.89–1.23] | 1.16[0.96–1.41] |
| Côte d'Ivoire | 993 | 1.82***[1.53–2.18] | 1.18[0.96–1.44] |
| Cameroon | 1,438 | 1.60***[1.37–1.88] | 1.20*[1.01–1.43] |
| Ethiopia | 1,104 | 2.51***[2.09–3.01] | 1.11[0.90–1.37] |
| Gabon | 851 | 0.79**[0.67–0.94] | 1.04[0.85–1.26] |
| Ghana | 679 | 1.10[0.91–1.33] | 0.70***[0.55–0.84] |
| Gambia | 812 | 3.37***[2.71–4.20] | 1.19[0.93–1.52] |
| Guinea | 958 | 3.11***[2.54–3.80] | 1.13[0.90–1.42] |
| Kenya | 964 | 1.17[0.99–1.39] | 0.80*[0.66–0.97] |
| Comoros | 323 | 1.38*[1.06–1.78] | 0.46***[0.35–0.62] |
| Liberia | 826 | 0.91[0.77–1.09] | 0.96[0.78–1.16] |
| Lesotho | 92 | 0.64*[0.42–0.98] | 0.36***[0.22–0.58] |
| Mali | 960 | 3.19***[2.60–3.91] | 1.22[0.96–1.55] |
| Malawi | 1,828 | 0.69***[0.60–0.80] | 0.47***[0.40–0.56] |
| Nigeria | 4,198 | 5.08***[4.39–5.87] | 2.28***[1.92–2.71] |
| Namibia | 527 | 0.51***[0.42–0.63] | 0.84[0.67–1.06] |
| Rwanda | 949 | 0.87[0.73–1.03] | 0.59***[0.48–0.71] |
| Sierra Leone | 1,373 | 2.03***[1.72–2.39] | 1.16[0.95–1.43] |
| Senegal | 1,292 | 1.75***[1.48–2.06] | 0.60***[0.49–0.73] |
| Chad | 2,382 | 2.76***[2.38–3.21] | 1.13[0.95–1.35] |
| Togo | 803 | 1.14[0.95–1.37] | 0.42***[0.35–0.52] |
| Uganda | 1,856 | 0.77***[0.67–0.89] | 0.71***[0.61–0.844] |
| Zambia | 1,379 | 0.75***[0.65–0.87] | 0.70***[0.58–0.83] |
| Zimbabwe | 606 | 1.10[0.90–1.34] | 0.82[0.65–1.02] |
| Age | |||
| 15–19 | Ref | ||
| 20–24 | 2.00***[1.82–2.19] | ||
| 25–29 | 2.99***[2.68–3.34] | ||
| 30–34 | 3.71***[3.28–4.20] | ||
| 35–39 | 3.43***[3.00–3.93] | ||
| 40–44 | 2.41***[2.04–2.84] | ||
| 45–49 | 3.04***[2.29–4.05] | ||
| Marital status | |||
| Never married | Ref | ||
| Married | 6.29***[5.65–7.01] | ||
| Cohabiting | 4.23***[3.79–4.73] | ||
| Widowed | 3.20***[2.24–4.57] | ||
| Divorced | 2.10***[1.77–2.50] | ||
| Residence | |||
| Urban | Ref | ||
| Rural | 1.08*[1.01–1.16] | ||
| Educational level | |||
| No education | Ref | ||
| Primary | 0.74***[0.69–0.80] | ||
| Secondary | 0.71***[0.65–0.77] | ||
| Higher | 0.86[0.70–1.05] | ||
| Wealth index | |||
| Poorest | Ref | ||
| Poorer | 0.88***[0.82–0.95] | ||
| Middle | 0.85***[0.79–0.92] | ||
| Richer | 0.82***[0.76–0.90] | ||
| Richest | 0.94[0.84–1.05] | ||
| Parity | |||
| Zero birth | Ref | ||
| One birth | 0.61***[0.56–0.67] | ||
| Two births | 0.36***[0.33–0.41] | ||
| Three births | 0.27***[0.24–0.31] | ||
| Four or more births | 0.14***[0.13–0.16] | ||
| Occupation | |||
| Not working | Ref | ||
| Managerial | 1.48***[1.24–1.77] | ||
| Clerical | 2.24***[1.52–3.32] | ||
| Sales | 1.19***[1.10–1.28] | ||
| Agricultural | 1.19***[1.11–1.28] | ||
| Services | 1.03[0.90–1.17] | ||
| Manual | 1.06[0.95–1.19] | ||
| Religion | |||
| Christianity | Ref | ||
| Islam | 1.43***[1.32–1.55] | ||
| Traditionalist | 1.04[0.89–1.21] | ||
| No religion | 1.03[0.87–1.22] | ||
| Intention to use contraceptives | |||
| Intend to use | Ref | ||
| Does not intend to use | 1.87***[1.76–1.99] | ||
| Knowledge on contraceptives | |||
| Knows no method | Ref | ||
| Knows traditional method | 1.08[0.77–1.52] | ||
| Knows modern method | 0.74***[0.66–0.83] | ||
Exponentiated coefficients; 95% confidence intervals in square brackets
* p<0.05
** p<0.01
*** p<0.001; Ref = Reference