Table 1 Risk factors associated with recent HEV infections in unadjusted and adjusted Cox regression analysis
Factor | Recent infections (N = 104) | No infection (N = 429) | Unadjusted PRs | Adjusted PRs | ||
|---|---|---|---|---|---|---|
PR (95%CI) | p-value | PR (95%CI) | p-value | |||
Age group [years] | 0.08 | 0.04 | ||||
0–4 | 33 (31.7%) | 165 (38.5%) | 0.84 (0.51–1.39) | 0.88 (0.53–1.46) | ||
5–14 | 42 (40.4%) | 125 (29.1%) | 1.46 (0.89–2.39) | 1.54 (0.94–2.51) | ||
≥15 | 29 (27.9%) | 139 (32.4%) | Reference | Reference | ||
Sex | ||||||
Female | 55 (52.9%) | 222 (51.8%) | 1.02 (0.72–1.45) | 0.89 | 1.07 (0.77–1.48) | 0.68 |
Household composition | ||||||
At least one child < 5 years old | 92 (88.5%) | 357 (83.2%) | 1.88 (1.06–3.3) | 0.03 | c | |
> 6 persons | 84 (80.8%) | 328 (76.5%) | 1.42 (0.89–2.26) | 0.14 | c | |
≥ 50% of the household with past HEV infection | 53 (51.0%) | 179 (41.7%) | 1.37 (0.90–2.07) | 0.14 | c | |
Water, sanitation and hygiene | ||||||
Wide-mouthed containers owneda | 92 (88.5%) | 400 (93.5%) | 0.62 (0.33–1.16) | 0.13 | c | |
Shared sanitation facilityb | 82 (80.4%) | 287 (70.2%) | 1.67 (0.88–3.16) | 0.12 | 1.72 (1.08–2.73) | 0.02 |
No handwashing point next to the sanitation facilityb | 67 (65.7%) | 303 (74.1%) | 0.72 (0.49–1.07) | 0.11 | c | |
No systematic use of soap for handwashing | 42 (40.4%) | 107 (24.9%) | 1.68 (1.14–2.48) | 0.01 | 1.85 (1.30–2.63) | < 0.01 |
Animal sleeping inside the compound | 35 (33.7%) | 87 (20.3%) | 1.65 (1.11–2.47) | 0.02 | 1.69 (1.15–2.50) | 0.01 |