Table 1 Characteristics of the study population at enrollment in Macha, Zambia
From: Facility-based surveillance for influenza and respiratory syncytial virus in rural Zambia
| Â | Outpatients | Inpatients | Overall |
|---|---|---|---|
n = 576 | n = 95 | n = 671 | |
Age in years, median (IQR) | 3.2 (0.8–19.0) | 2.9 (0.8–29.0) | 3.2 (0.8–19.0) |
 0–5 months | 61 (11%) | 11 (12%) | 72 (11%) |
 6–11 months | 100 (17%) | 15 (16%) | 115 (17%) |
 1–4 years | 181 (31%) | 31 (33%) | 212 (32%) |
 5–15 years | 77 (13%) | 9 (9%) | 86 (13%) |
 16–50 years | 91 (16%) | 18 (19%) | 109 (16%) |
 51+ years | 66 (11%) | 11 (12%) | 77 (11%) |
Female, n (%) | 316 (55%) | 44 (46%) | 360 (54%) |
Educational attainment among adultsa, n (%) | |||
 No education | 11 (7%) | 1 (4%) | 12 (7%) |
 Primary | 101 (68%) | 20 (77%) | 121 (69%) |
 Secondary | 34 (23%) | 2 (8%) | 36 (21%) |
 Post-secondary | 3 (2%) | 3 (12%) | 6 (3%) |
Travel time (hours) to hospital, median (IQR) | 1.0 (0.8–2.0) | 2.0 (1.0–3.0) | 1.0 (0.8–2.0) |
Number of individuals in household, median (IQR) | 6 (5–9) | 7 (5–11) | 7 (5–9) |
Number of individuals sharing sleeping space, median (IQR) | 3 (2–3) | 3 (2–3) | 3 (2–3) |
Presence of animals in residence compound, n (%) | 528 (92%) | 84 (88%) | 612 (91%) |
Food insecurity, n (%) | 14 (2%) | 6 (6%) | 20 (3%) |
Underweight, n (%) | 47 (8%) | 21 (22%) | 68 (10%) |
HIV-infected, n (%) | 19 (3%) | 10 (11%) | 29 (4%) |
History of tuberculosis, n (%) | 16 (3%) | 6 (6%) | 22 (3%) |
Number of outpatient medical encounters in past year, median (IQR)b | 1 (0–3) | 1 (0–2) | 1 (0–3) |