Table 1. Demographic characteristics of the sample population in KNHANESa, 2007–2010.
| Demographic group | Total |
|---|---|
| Sample size (n) | |
| Number of individuals | 17 453 |
| Children | 7879 |
| Adults | 9574 |
| Number of households with children | 5048 |
| Percent of households with children (%) | 39.8 |
| Mean size of household with children | 3.3 |
| Child gender (%) | |
| Male | 53.0 |
| Age groups of households with children (%) | |
| 2–6 years | 8.9 |
| 7–12 years | 14.3 |
| 13–18 years | 15.5 |
| 19–39 years | 29.6 |
| 40–59 years | 27.1 |
| ⩾60 years | 4.5 |
| Income as percentage of poverty guideline of households with childrenb (%) | |
| Low (<120%) | 17.6 |
| Middle (120–250%) | 41.1 |
| High (⩾250%) | 41.3 |
| Adults (⩾19 years) education of households with children (%) | |
| <High school diploma | 17.2 |
| ⩾High school diploma | 82.8 |
| Region of hosueholds with childrenc (%) | |
| Large city | 44.5 |
| Small city | 40.3 |
| Rural | 15.2 |
| Distribution of households with children (%) | |
| Living with both parents | 89.5 |
| Living with mothers only | 6.7 |
| Living with fathers only | 1.4 |
| Living with grandparents only | 2.4 |
Abbreviations: MCL, minimum cost of living; KNHANES, Korea National Health and Nutrition Examination Survey.
a
Weighted to be nationally representative.
b
Calculated values are based on MCL of each year. A family is considered poor if its income falls below the MCL measured by the government as poverty.
c
Large city: cities with a population size greater than a million; small city: cities with a population size of 50 000 to a million; rural: villages and towns with a population size lesser than 50 000.