| Low vs high knowledge | P-value | Medium vs high knowledge | P-value | Knowledge scorec | P-value |
---|---|---|---|---|---|---|
AOR 95% (CI) |  | AOR 95% (CI) | β (SE) | |||
Maternal age (years) | ||||||
 15–19 | 2.58 (1.69–3.92) | <.0001 | 2.03 (1.37–3.03) | 0.0006 | − 0.73 (0.12) | <.0001 |
 20–24 | 1.84 (1.19–2.84) | 0.0064 | 1.78 (1.15–2.78) | 0.0107 | − 0.61 (0.12) | <.0001 |
 25–29 | 1.45 (0.96–2.21) | 0.0791 | 1.92 (1.30–2.84) | 0.0012 | − 0.39 (0.12) | 0.0017 |
 30–34 | 1.29 (0.82–2.03) | 0.2713 | 1.48 (0.95–2.29) | 0.0816 | − 0.27 (0.12) | 0.0300 |
 35–39 | 1.17 (0.79–1.74) | 0.4382 | 1.39 (0.83–2.38) | 0.2031 | − 0.24 (0.13) | 0.0728 |
 40–49 | 1.00 |  | 1.00 |  | 1.00 |  |
Highest educational level | ||||||
 No education | 3.73 (2.20–6.33) | <.0001 | 1.98 (1.25–3.14) | 0.0041 | − 1.17 (0.15) | <.0001 |
 Primary | 2.02 (1.51–2.70) | <.0001 | 1.39 (1.04–1.86) | 0.0274 | − 0.65 (0.08) | <.0001 |
 Secondary and above | 1.00 |  | 1.00 |  | 1.00 |  |
Household has radio | ||||||
 No | 1.14 (0.85–1.54) | 0.3845 | 0.99 (0.76–1.28) | 0.9271 | − 0.15 (0.0816) | 0.0715 |
 Yes | 1.00 |  | 1.00 |  | 1.00 |  |
Household has television | ||||||
 No | 1.50 (1.02–2.22) | 0.0393 | 1.079 (0.75–1.56) | 0.6830 | − 0.12 (0.1035) | 0.2578 |
 Yes | 1.00 |  | 1.00 |  | 1.00 |  |
Wealth indexb | ||||||
 Poorest/Poorer/Middle | 1.20 (0.70–2.04) | 0.5078 | 1.101 (0.68–1.78) | 0.6919 | − 0.14 (0.1371) | 0.2995 |
 Richer | 0.87 (0.56–1.35) | 0.5266 | 0.916 (0.58–1.44) | 0.7024 | − 0.02 (0.1217) | 0.8562 |
 Richest | 1.00 |  | 1.00 |  | 1.00 |  |
Seen/heard malaria message | ||||||
 No | 1.53 (1.20–1.95) | 0.0008 | 1.23 (0.92–1.66) | 0.1667 | − 0.41 (0.07) | <.0001 |
 Yes | 1.00 |  | 1.00 |  | 1.00 |  |
Ethnicity | ||||||
 Chewa | 1.51 (0.90–2.54) | 0.1212 | 1.14 (0.70–1.874) | 0.5953 | − 0.10 (0.14) | 0.4465 |
 Tumbuka | 0.84 (0.52–1.37) | 0.4876 | 0.94 (0.56–1.595) | 0.8266 | − 0.05 (0.14) | 0.7381 |
 Lomwe | 0.94 (0.56–1.60) | 0.9619 | 1.19 (0.76–1.864) | 0.4505 | 0.03 (0.15) | 0.8256 |
 Yao | 1.95 (1.10–3.46) | 0.0219 | 1.30 (0.81–2.069) | 0.2695 | 0.01 (0.17) | 0.9700 |
 Ngoni | 0.85 (0.47–1.54) | 0.5937 | 0.99 (0.63–1.56) | 0.9604 | − 0.05 (0.16) | 0.7407 |
 Other | 1.00 |  | 1.00 |  | 1.00 |  |
Place of residence | ||||||
 Urban | 0.57 (0.36–0.92) | 0.0228 | 0.64 (0.41–0.93) | 0.0205 | 0.22 (0.17) | 0.1780 |
 Rural | 1.00 |  | 1.00 |  | 1.00 |  |
Geographical region | ||||||
 Northern | 0.77 (0.50–1.17) | 0.2175 | 0.63 (0.40–0.99) | 0.0438 | 0.30 (0.20) | 0.1297 |
 Central | 0.87 (0.56–1.34) | 0.5173 | 0.80 (0.55–1.16) | 0.2365 | 0.04 (0.19) | 0.8091 |
 Southern | 1.00 |  | 1.00 |  | 1.00 |  |