Table 2 Multivariable analysis on factors that might affect the good physical condition (proportionate Hole Index ≤64) of Olyset campaign nets distributed 2–4 years earlier in Tanzania
From: Durability of Olyset campaign nets distributed between 2009 and 2011 in eight districts of Tanzania
Explanatory variables | Odds ratio | Likelihood of net being in good physical condition (pHI ≤64) | ||
|---|---|---|---|---|
| Â | 95Â % CI | P value | Overall P value (likelihood ratio test) | |
Socioeconomic status of households | ||||
 Least wealthy (1) | 1.0 |  |  | 0.88 |
 (2) | 0.9 | 0.4–2.7 | 0.98 | |
 (3) | 0.7 | 0.3–2.1 | 0.59 | |
 (4) | 1.1 | 0.4–3.2 | 0.89 | |
 Wealthiest (5) | 1.3 | 0.5–3.5 | 0.65 | |
Net age (months) | ||||
 ≤25 | 1.0 |  |  | 0.09 |
 26–36 | 1.9 | 0.8–4.2 | 0.13 | |
 37–48 | 1.0 | 0.4–3.1 | 0.95 | |
 >48 | 0.6 | 0.1–2.1 | 0.39 | |
Presence of rat faeces/rats in household | ||||
 No | 1.0 |  |  | 0.04 |
 Yes | 0.4 | 0.1–1.0 | 0.05 | |
Type of sleeping space | ||||
 Reed mat | 1.0 |  |  | 0.78 |
 Mattress, no frame | 0.6 | 0.1–3.2 | 0.54 | |
 Bedframe made from sticks | 0.7 | 0.2–2.7 | 0.56 | |
 Wooden and iron bedframe | 0.6 | 0.2–1.9 | 0.32 | |
Number of persons per net | ||||
 1 user | 1.0 |  |  | 0.44 |
 2 users | 0.7 | 0.3–1.4 | 0.39 | |
 3 users | 0.6 | 0.2–1.7 | 0.41 | |
 4 users | 3.2 | 0.3–33.9 | 0.33 | |