Table 2.
Multivariate analysis: hole index value per net by person-type adjusted for confounders
| Hole index | Coefficient | Coefficient 95% CI | Incident Rate Ratio (e^coefficient) | Incident Rate Ratio 95% CI | P value |
|---|---|---|---|---|---|
| Overall | ------- | ------- | ------- | ------- | F = 22.63 p < 0.0001 α = 3.2 (2.9,3.6) |
| Constant | 1.7 | [1.2, 2.2] | ------- | ------- | <0.0001 |
| Person Type | |||||
| Infants (<1 y) | ------- | ------- | ------- | ------- | ------- |
| Young Children (1-4 y) | 0.25 | [0.024,0.48] | 1.3 | [1.0,1.6] | 0.031 |
| Older Children (5-14 y) | 0.28 | [0.070,0.50] | 1.3 | [1.1,1.6] | 0.01 |
| Adult Males (≥15 y) | 0.19 | [-0.018,0.39] | 1.2 | [0.98,1.5] | 0.074 |
| Non-Pregnant Females (15-49 y) | 0.19 | [-0.016,0.39] | 1.2 | [0.98,1.5] | 0.071 |
| Pregnant Females | 0.18 | [-0.31,0.66] | 1.2 | [0.73,1.9] | 0.481 |
| Older Females (≥50 y) | 0.28 | [-0.006,0.57] | 1.3 | [0.99,1.8] | 0.055 |
| Used Voucher | -0.79 | [-1.11,-0.47] | 0.45 | [0.33,0.63] | <0.0001 |
| Net Age | 0.042 | [0.035,0.049] | 1.04 | [1.04,1.05] | <0.0001 |
| Net Size | |||||
| 3.5 ft × 6 ft | ------- | ------- | ------- | ------- | ------- |
| 4 ft × 6 ft | -0.28 | [-0.50,-0.062] | 0.76 | [0.61,0.94] | 0.012 |
| 6 ft × 6 ft | -0.32 | [-0.57,-0.066] | 0.73 | 0.57,0.94] | 0.014 |
| Net Source | |||||
| Shop | ------- | ------- | ------- | ------- | ------- |
| Hawker/Shifting | 0.14 | [-0.074,0.35] | 1.1 | [0.93,1.4] | 0.204 |
| Health Facility/Gov/NGO | -0.22 | [-0.50,0.055] | 0.80 | [0.61,1.1] | 0.115 |
| Gift/Other/Not Sure | -0.22 | [-0.55,0.10] | 0.80 | [0.58,1.1] | 0.172 |
| Treatment Status | |||||
| Never Treated | ------- | ------- | ------- | ------- | ------- |
| Expired Treatment | 0.10 | [-0.14,0.34] | 1.1 | [0.87,1.4] | 0.407 |
| ITN | 0.09 | [-0.10,0.29] | 1.1 | [0.90,1.3] | 0.345 |
| # of Sleepers Under Same Net | -0.067 | [-0.16,0.022] | 0.93 | [0.85,1.0] | 0.14 |
| Socioeconomic Status | |||||
| SES Quintile 0 (poorest) | ------- | ------- | ------- | ------- | ------- |
| SES Quintile 1 | -0.23 | [-0.60,0.15] | 0.80 | [0.55,1.2] | 0.237 |
| SES Quintile 2 | 0.016 | [-0.38,0.41] | 1.0 | [0.68,1.5] | 0.935 |
| SES Quintile 3 | -0.17 | [-0.54,0.20] | 0.85 | [0.59,1.2] | 0.378 |
| SES Quintile 4 (least poor) | -0.31 | [-0.70,0.074] | 0.73 | [0.50,1.1] | 0.112 |
Adjusted for the following confounders: whether the net was purchased using a voucher, net age, net size, net source, treatment status, number of sleepers under same net, and socioeconomic status of the household