Table 4 Logistic Regression: Unadjusted and Adjusted Odds Ratios
Variable | UOR (95% CI) | P-value | ** AOR (95% CI) | P-value |
|---|---|---|---|---|
Age at screening - Complete cases: 11,554 (80.8%) | ||||
15–24 | 1.00 | 1.00 | ||
25–34 | 1.11 (0.93–1.32) | 0.25 | 0.85 (0.65–1.12) | 0.25 |
35+ | 1.20 (1.02–1.42) | 0.03 | 0.83 (0.63–1.09) | 0.18 |
Marital status - Complete cases: 13,858 (96.9%) | ||||
Never been married | 1.00 | 1.00 | ||
Married | 0.90 (0.76–1.06) | 0.21 | 0.71 (0.51–0.98) | 0.04 |
Separated, widowed, divorced | 1.50 (1.24–1.81) | <0.001 | 0.85 (0.59–1.23) | 0.39 |
Educational attainment – Complete cases: 13,843 (96.8%) | ||||
No formal Education | 1.00 | 1.00 | ||
Primary Education | 0.86 (0.71–1.04) | 0.13 | 0.74 (0.52–1.07) | 0.11 |
Secondary Education | 0.82 (0.67–0.99) | 0.04 | 0.74 (0.51–1.07) | 0.11 |
Tertiary | 0.62 (0.50–0.78) | <0.001 | 0.48 (0.30–0.77) | 0.002 |
Household income – Complete cases: 8666 (60.6%) | ||||
Less than K100 | 1.00 | |||
K100-K499 | 2.16 (1.43–3.27) | <0.001 | * | * |
K500-K999 | 2.35 (1.69–3.27) | <0.001 | ||
K1,000-K5,000 | 1.67 (1.24–2.27) | <0.001 | ||
Above K5,000 | 1.26 (0.96–1.65) | 0.10 | ||
Occupation – Complete cases: 12,848 (89.9%) | ||||
House wife | 1.00 | 1.00 | ||
Formal employment | 0.74 (0.62–0.88) | 0.001 | 0.92 (0.66–1.28) | 0.61 |
Informal employment | 0.79 (0.69–0.91) | 0.001 | 0.73 (0.55–0.95) | 0.02 |
Other | 1.27 (1.08–1.50) | 0.003 | 1.01 (0.75–1.35) | 0.97 |
Screening center – Complete cases: 14,294 (100%) | ||||
Choma General Hospital | 1.00 | 1.00 | ||
Kasama General Hospital | 0.63 (0.43–0.94) | 0.02 | 0.64 (0.35–1.17) | 0.15 |
Kitwe Central Hospital | 3.47 (2.45–4.92) | <0.001 | 4.16 (2.46–7.03) | <0.001 |
Livingstone General Hospital | 0.96 (0.67–1.38) | 0.83 | 1.46 (0.75–2.83) | 0.26 |
Mansa General Hospital | 4.99 (3.53–7.04) | <0.001 | 6.86 (4.11–11.44) | <0.001 |
Mosi-oa-tuntya Clinic | 1.71 (1.13–2.59) | 0.01 | 1.51 (0.80–2.84) | 0.21 |
Ndola Central Hospital | 2.78 (1.97–3.91) | <0.001 | 3.91 (2.38–6.42) | <0.001 |
Solwezi General Hospital | 1.13 (0.79–1.61) | 0.50 | 1.65 (0.95–2.88) | 0.08 |
St. Francis’ Hospital | 1.65 (1.16–2.36) | 0.01 | 1.68 (1.00–2.83) | 0.05 |
Ever smoked cigarette – Complete cases: 13,350 (93.4%) | ||||
No | 1.00 | 1.00 | ||
Yes | 1.87 (1.41–2.48) | <0.001 | 1.34 (0.86–2.07) | 0.19 |
Age at 1st pregnancy – Complete cases: 12,160 (85.1%) | ||||
Less than 20 years (Adolescents) | 1.00 | 1.00 | ||
20+ years | 0.90 (0.80–1.01) | 0.08 | 0.83 (0.67–1.04) | 0.10 |
Age at sexual debut – Complete cases: 13,398 (93.7%) | ||||
Less than 20 years | 1.00 | 1.00 | ||
20+ years | 0.87 (0.76–0.99) | 0.03 | 1.15 (0.89–1.49) | 0.27 |
Number of sexual life partners - Complete cases: 13,660 (95.6%) | ||||
5 or more | 1.00 | 1.00 | ||
One sexual partner | 0.63 (0.53–0.76) | <0.001 | 0.83 (0.62–1.12) | 0.22 |
Two sexual partners | 0.77 (0.65–0.93) | 0.01 | 0.98 (0.74–1.29) | 0.87 |
three or four | 0.83 (0.69–0.99) | 0.04 | 0.97 (0.75–1.26) | 0.84 |
Condom use with regular sexual partner – Complete cases: 11,774 (82.4%) | ||||
Always used a condom | 1.00 | 1.00 | ||
Never used a condom | 1.08 (0.76–1.52) | 0.68 | 1.15 (0.70–1.90) | 0.57 |
Used a condom sometimes | 1.12 (0.79–1.58) | 0.54 | 1.38 (0.84–2.26) | 0.20 |
Used a condom almost all the time | 1.64 (1.04–2.36) | 0.03 | 1.64 (0.89–3.02) | 0.12 |
HIV status – Complete cases: 11,118 (77.8%) | ||||
Negative | 1.00 | 1.00 | ||
Positive | 2.07 (1.82–2.36) | <0.001 | 1.91 (1.57–2.33) | <0.001 |