Table 4 Validity analysis of maternal reports regarding CHW content of care during home visits in Gombe State, Nigeria
Indicator | Observed coverage N (%) | Women’s report N (%) | Matched Pairs N | Don’t Know N | Agreement % (95% CI) | ≥ 5 counts per cell | Sensitivity % (95% CI) | Specificity % (95% CI) | AUC (95% CI) | ROC regression coefficienta (β 95% CI) |
|---|---|---|---|---|---|---|---|---|---|---|
N = 362 | ||||||||||
CHW health education messages about birth preparedness and facility delivery | ||||||||||
Provided an emergency telephone number | 173 (47.7) | 258 (72.4) | 356 | 6 | 50.0 (44.7–55.3) | Y | 73.3 (66.0–79.7) | 28.3 (21.9–35.4) | 0.51 (0.46–0.55) | 0.006 (-0.019–0.031) |
Advised to prepare skin disinfectant fluid | 103 (28.4) | 338 (93.8) | 360 | 2 | 30.3 (25.5–35.1) | Y | 92.2 (85.3–96.6) | 5.4 (3.0–9.0) | 0.49 (0.46–0.52) | -0.003 (-0.014–0.008) |
CHW health education messages about newborn danger signs and illness | ||||||||||
Pneumonia is a serious illness of the lungs | 296 (81.7) | 345 (96.6) | 357 | 5 | 82.4 (78.3–86.5) | Y | 97.6 (95.2–99.0) | 11.1 (4.6–21.6) | 0.54 (0.50–0.58) | -0.002 (-0.035–0.032) |
The Baby's cord is red is a danger sign | 280 (77.3) | 349 (96.6) | 361 | 1 | 77.0 (72.6–81.4) | Y | 97.5 (94.9–99.0) | 6.2 (2.0–13.8) | 0.52 (0.49–0.55) | 0.02 (-0.003–0.044) |
CHW health education messages to pregnant women about other maternal illnesses | ||||||||||
HIV infection | 296 (81.7) | 343 (95.0) | 361 | 1 | 82.3 (78.6–86.5) | Y | 97.3 (94.7–98.8) | 15.4 (7.6–26.5) | 0.56 (0.52–0.61) | -0.019 (-0.058–0.02) |
Hypertension | 296 (81.7) | 345 (95.3) | 362 | 0 | 80.4 (76.3–84.5) | Y | 96.3 (93.4–98.1) | 9.1 (3.4 -18.7) | 0.53 (0.49–0.56) | 0.014 (-0.018–0.047) |
Diabetes | 268 (74.0) | 335 (93.8) | 357 | 5 | 75.3 (70.8–79.9) | Y | 96.3 (93.2–98.2) | 13.3 (7.1–22.1) | 0.55 (0.51–0.59) | 0.02 (-0.011–0.052) |
CHW health checks or therapeutic care carried out during the home visit | ||||||||||
Measured woman’s blood pressure | 81 (22.3) | 283 (78.3) | 361 | 1 | 37.9 (32.9–42.9) | Y | 86.4 (77.0–93.0) | 23.9 (19.1–29.4) | 0.55 (0.51–0.60) | 0.021 (0.001–0.041) |
Dispensed chlorhexidine | 30 (8.2) | 225 (62.3) | 361 | 1 | 41.4 (36.3–46.5) | Y | 73.3 (54.1–87.7) | 38.7 (33.4–44.2) | 0.56 (0.48–0.64) | -0.011 (-0.032–0.009) |
Dispensed misoprostol | 25 (8.0) | 224 (61.8) | 362 | 0 | 42.2 (36.1–46.3) | Y | 72.0 (50.6–87.9) | 38.9 (33.6–44.3) | 0.55 (0.46–0.65) | -0.016 (-0.037–0.004) |