Baseline characteristics of the study population (N=5916)
| Characteristic | n* (%) |
| Total number of households | 3123 |
| Female gender | 2896/5916 (48.9) |
| Age group (years) | |
| <5 | 1850/5916 (31.3) |
| 5–10 | 2469/5916 (41.7) |
| >10 | 1597/5916 (27.0) |
| Nuclear family | 4301/5916 (72.7) |
| Family size: mean (SD) (N=5916) | 5.7 (2.2) |
| Highest education in family as years of schooling | |
| Illiterate | 66/5916 (1.1) |
| <5 | 114/5916 (1.9) |
| >5 | 5736/5916 (97) |
| Pucca house† | 5862/5916 (99.1) |
| Proportion of children living in overcrowded households (>2.5 persons per living room) | 4233/5916 (70.6) |
| Separate kitchen available | 3770/5916 (63.7) |
| Monthly income in Indian national rupees: median (IQR) (n=5916) | 10 000 (8000–15 000) |
| Received typhoid vaccine | 820/6000 (13.7) |
| Type of typhoid vaccine received | |
| Polysaccharide | 778/820 (94.9) |
| Conjugate/unclear | 42/820 (5.1) |
| Vaccine received at a government facility | 782/820 (95.4) |
*Figures indicate n (%), unless indicated otherwise.
†Pucca house is a term that refers to housing in South Asia built of substantial material such as stone, brick, cement, concrete or timber.