Subset and strata | Typical hand-washing frequency | |||||
---|---|---|---|---|---|---|
n | 2-4 times daily | 5-9 times daily | 10-19 times daily | ≥20 times daily | Interaction p-value | |
Among all responding participants, outcome = ILI | Rate ratio (95% confidence interval) | |||||
Household size 1 person1 | 639 | 1 (reference) | 0.69 (0.33-1.45) | 1.89 (0.91-3.91) | 1.04 (0.45-2.38) | 0.09 |
Household size 2 persons1 | 1137 | 1 (reference) | 1.16 (0.62-2.19) | 1.27 (0.66-2.46) | 1.25 (0.63-2.50) | |
Household size ≥3 persons1 | 706 | 1 (reference) | 1.03 (0.52-2.04) | 0.88 (0.43-1.82) | 0.89 (0.41-1.93) | |
Among gainfully employed participants, outcome = ARI | ||||||
Non-health care work2 | 1104 | 1 (reference) | 1.20 (0.85-1.69) | 1.39 (0.97-2.00) | 1.19 (0.80-1.76) | 0.13 |
Health care work2 | 170 | 1 (reference) | 0.31 (0.11-0.90) | 0.49 (0.18-1.31) | 0.45 (0.18-1.13) |