Table 4.
Individual compositional and community contextual factors associated with early sexual debut among ever or currently marriage Nigeria women identified by multivariable multilevel logistic regressions‡
| Empty model | Individual variables | Individual and community variables | |
| Model 1 | Model 2 | Model 3 | |
| OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| Fixed effects | |||
| Individual characteristics | |||
| Age (completed years) | |||
| 15 – 24 | 1 | 1 | |
| 25 – 34 | 1.02 (0.87, 1.21) | 1.05 (0.89, 1.24) | |
| 35+ | 1.19 (1.02, 1.41)* | 1.24 (1.05, 1.47)** | |
| Education | |||
| No education | 1 | 1 | |
| Primary | 0.69 (0.59, 0.80)*** | 0.74 (0.62, 0.88)*** | |
| Secondary or higher | 0.26 (0.22, 0.70)*** | 0.30 (0.25, 0.36)*** | |
| Ethnicity | |||
| Hausa/Fulani | 1 | 1 | |
| Igbo | 0.35 (0.23, 0.52)*** | 0.53 (0.34, 0.80)** | |
| Yoruba | 0.22 (0.14, 0.33)*** | 0.32 (0.21, 0.48)*** | |
| Others | 0.56 (0.45, 0.70)*** | 0.63 (0.51, 0.78)*** | |
| Religion | |||
| Islam | 1 | 1 | |
| Christian | 0.77 (0.61, 0.96)* | 0.81 (0.64, 1.02) | |
| Others | 1.02 (0.65, 1.59) | 0.92 (0.60, 1.45) | |
| Community characteristics | |||
| Type of residence | |||
| Urban | 1.10 (0.95, 1.25) | ||
| Rural | 1 | ||
| Community ethnic diversity† | 0.98 (0.95, 1.01) | ||
| Community median age of marriage | 0.77 (0.77, 0.81)*** | ||
| Community median spousal age gap | 1.01 (0.98, 1.05) | ||
| Geopolitical region | |||
| North-central | 0.44 (0.31, 0.64)*** | ||
| North-east | 0.40 (0.24, 0.66)*** | ||
| North-west | 0.48 (0.30, 0.77)** | ||
| South-east | 0.43 (0.24, 0.75)** | ||
| South-south | 1 | ||
| South-west | 0.57 (0.34, 0.96)* | ||
| Constant | |||
| Random effects | |||
| State-level | |||
| Variance (SE) | 1.058 (0.289)*** | 0.220 (0.084)** | 0.057 (0.03) |
| VPC (%) | 22.8 | 6.1 | 1.7 |
| Explained variation (%) | Reference | 79.2 | 94.6 |
| Community-level | |||
| Variance (SE) | 0.280 (0.057)*** | 0.104 (0.039)** | 0.021 (0.017) |
| VPC (%) | 6.0 | 2.9 | 0.6 |
| Explained variation (%) | Reference | 62.8 | 92.5 |
| Model fit statistics | |||
| DIC | 6543 | 6255 | 6219 |
| Sample size | |||
| State-level | 36 | 36 | 36 |
| Community-level | 177 | 177 | 177 |
| Individual-level | 5531 | 5508 | 5508 |
Abbreviations: OR – Odds ratio, CI – Confidence interval, VPC – Variance Partition Coefficient, SE – Standard error, DIC – Deviance information criterion
†Number of ethnic group in a community, represents the likelihood that two persons, chosen at random from the same area, belong to different ethnic group
*p < .05, **p < .01, and ***p < .001
‡Data source: 2003 Nigerian Demographic and Health Survey