Table 5.
Logistic regression models (univariate and multivariable), output: Incomplete vaccination status (WHO-definition)
| Variable 1 | Univariate models | Multivariable model 2 | |||
|---|---|---|---|---|---|
| Crude OR (95% CI) | p-value | Adjusted OR (95% CI) | p-value | ||
| Child’s age in months (n = 720) | 0.96 (0.92-1.00) | 0.047 | 0.96 (0.92-1.00) | 0.064 | |
| Child’s sex | Female (n = 363) | 1 | 0.997 | 1 | 0.588 |
| Male (n = 357) | 1.00 (0.74–1.36) | 1.10 (0.77–1.59) | |||
| Caretaker’s age in years (n = 718) | 0.99 (0.98-1.00) | 0.112 | 1.00 (0.98–1.01) | 0.417 | |
| Caretaker’s sex | Female (n = 624) | 1 | 0.963 | 1 | 0.039 |
| Male (n = 93) | 1.01 (0.61–1.70) | 1.93 (1.03–3.59) | |||
| Caretaker’s highest level of education | Never attended school (n = 395) | 1 | 0.575 | 1 | 0.928 |
| Primary (n = 78) | 0.84 (0.46–1.52) | 0.89 (0.47–1.68) | |||
| Secondary or higher (n = 245) | 0.83 (0.58–1.19) | 0.93 (0.51–1.67) | |||
| Is the caretaker able to read and write? | Illiterate (n = 519) | 1 | 0.333 | 1 | 0.292 |
| Partially literate (n = 105) | 0.78 (0.47–1.28) | 0.81 (0.40–1.61) | |||
| Fully literate (n = 96) | 0.69 (0.41–1.17) | 0.54 (0.25–1.19) | |||
| Caretaker’s main type of income | No salary (n = 79) | 1 | 0.097 | 1 | 0.131 |
| Paid employment (n = 27) | 0.28 (0.09–0.89) | 0.32 (0.10–0.98) | |||
| Self-employment (n = 614) | 0.86 (0.52–1.40) | 0.79 (0.45–1.41) | |||
| Caretaker’s marital status | Married or in union (n = 578) | 1 | 0.108 | 1 | 0.280 |
| Single (never married) (n = 82) | 0.93 (0.52–1.65) | 0.82 (0.42–1.58) | |||
| Separated or divorced (n = 24) | 0.47 (0.16–1.37) | 0.58 (0.17–1.96) | |||
| Widowed (n = 31) | 0.34 (0.12–0.96) | 0.32 (0.10–1.06) | |||
| Caretaker’s religion | Christian (n = 210) | 1 | < 0.001 | 1 | 0.015 |
| Muslim (n = 508) | 2.77 (1.83–4.19) | 1.94 (1.25–3.02) | |||
| None (n = 2) | 4.12 (0.25–68.09) | 1.91 (0.21–17.05) | |||
| Household head’s sex | Female (n = 392) | 1 | 0.755 | 1 | 0.9193 |
| Male (n = 327) | 1.05 (0.75–1.48) | 0.98 (0.67–1.45) | |||
| District | Bombali (n = 288) | 1 | < 0.001 | 1 | < 0.001 |
| Tonkolili (n = 168) | 1.61 (0.87–2.99) | 1.27 (0.63–2.56) | |||
| Port Loko (n = 264) | 4.04 (2.43–6.70) | 3.47 (2.00-6.06) | |||
| Locality | Rural (n = 540) | 1 | 0.086 | 1 | 0.677 |
| Urban (n = 180) | 1.54 (0.94–2.53) | 1.12 (0.65–1.91) | |||
CI, confidence interval; OR, odds ratio
1 The first listed category of each variable was taken as reference value
2 Following multiple logistic regression, variables significantly associated with incomplete immunisation status are presented in bold