Research Article
Developmental Profiles of Mucosal Immunity in Pre-school Children
Table 1
Demographic characteristics of the study population (
).
| Variables | Definition and description | Distribution |
| Demographic variables | | |
| Age | ≤4 years of age | 15 (45.5%) | >4 years of age | 22 (54.5%) | Gender | Female | 21 (56.8%) | Male | 16 (43.2%) | Having attended childcare previously | No | 8 (21.6%) | Yes | 29 (78.4%) | No. of days at pre-school | Low—<2 days/week for <1 year | 13 (35.1%) | High—≥2 days/week for ≥1 year | 24 (64.9%) | Household environment variables | | |
| Having siblings | No | 16 (43.3%) | No. of siblings | Yes | 21 (56.7%) | 2.51a (0.77) | ETS exposure in home | No | 23 (63.2%) | Yes | 14 (37.8%) | Medical history | | |
| Having atopy | No | 31 (83.8%) | Yes | 6 (16.2%) | Having been hospitalised | No | 23 (62.2%) | Yes | 14 (37.8%) |
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aThe arithmetic mean of the number of siblings (and standard deviation) is reported for this covariate.
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