Table 5 Univariate and multivariable interval censored proportional hazards model regression estimates of relative risk of being confirmed negative for ZIKV in sweat.
Selected baseline factors | Univariate model | Multivariable model | ||
|---|---|---|---|---|
Univariate HR (95% CI) | Chi-sq p value | Adjusted HR (95% CI) | Chi-sq p value | |
Sex | ||||
Male | 1.00 | |||
Female | 1.25 (0.94, 1.66) | 0.13 | ||
Age group | – | – | ||
≤ 35 | 1.00 | |||
> 35 | 0.87 (0.67, 1.13) | 0.29 | ||
Education level | – | – | ||
Secondary or lower | 1.00 | |||
Post-secondary | 1.24 (0.92, 1.66) | 0.16 | ||
BMI category (kg/m2) | ||||
Normal weight (18.5–24.99) | 1.00 | 1.00 | ||
Overweight or obese (≥ 25.0) | 0.79 (0.60, 1.06) | 0.12 | 0.77 (0.53, 1.12) | 0.16 |
Household members (excluding self) | ||||
< 3 | 1.00 | 1.00 | ||
≥ 3 | 1.16 (0.87, 1.54) | 0.32 | 1.34 (0.95, 1.91) | 0.09 |
Fever today or past 30 days | – | – | ||
(Yes vs No) | 0.85 (0.60, 1.22) | 0.38 | ||
Rash today or past 30 days | – | – | ||
(Yes vs No) | 1.02 (0.31, 3.39) | 0.98 | ||
Pruritus today or past 30 days | – | – | ||
(Yes vs No) | 1.32 (0.77, 2.27) | 0.32 | ||
Non purulent conjunctivitis today or past 30 days | – | – | ||
(Yes vs No) | 0.87 (0.665, 1.17) | 0.35 | ||
Joint pain today or past 30 days | – | – | ||
(Yes vs No) | 0.88 (0.63, 1.24) | 0.47 | ||
Periarticular edema today or past 30 days | – | – | ||
(Yes vs No) | 0.95 (0.72, 1.26) | 0.72 | ||
Yellow fever vaccination? | – | – | ||
(Yes vs No) | 1.41 (0.87, 2.31) | 0.16 | 1.49 (0.87, 2.57) | 0.14 |
