Table 2: Comparison of the sex, age, geographical, and health-related distribution of the general population sample recruited in the 2007 Northern Ireland Survey on Activity Limitations and Disability compared to the 2011 Northern Ireland Census.
| Socio-demographic and health characteristics | 2007 NISALD | 2011 Census | Standardized differences | |||
|---|---|---|---|---|---|---|
| All (N=23,689) | All (N=1,702,217) | |||||
| N | % | N | % | |||
| Sex | Male | 11,492 | 48.5 | 827,932 | 48.6 | 0.002 |
| Female | 12,190 | 51.5 | 874,285 | 51.4 | ||
| Age (years) | 0-15 years | 5,192 | 21.9 | 355,430 | 20.9 | 0.066 |
| 16-24 years | 3,176 | 13.4 | 202,794 | 11.9 | ||
| 25-34 years | 2,972 | 12.6 | 228,377 | 13.4 | ||
| 35-44 years | 3,506 | 14.8 | 239572 | 14.1 | ||
| 45-54 years | 3,102 | 13.1 | 240,001 | 14.1 | ||
| 55-64 years | 2,628 | 11.1 | 188,582 | 11.1 | ||
| 65-74 years | 1,860 | 7.9 | 141,259 | 8.3 | ||
| 75+ years | 1,222 | 5.2 | 106,202 | 6.2 | ||
| Region | Belfast | 3,422 | 14.4 | 254,631 | 15.0 | 0.034 |
| Outer Belfast | 5,135 | 21.7 | 371,176 | 21.8 | ||
| East | 5,666 | 23.9 | 420,515 | 24.7 | ||
| North | 3,862 | 16.3 | 267,788 | 15.7 | ||
| West/South | 5,604 | 23.7 | 384,315 | 22.6 | ||
| Number of health conditions | None | 19,513 | 82.3 | 1,168,020 | 68.7 | 0.510 |
| One | 816 | 3.4 | 297,950 | 17.5 | ||
| Two | 912 | 3.9 | 103,200 | 6.1 | ||
| Three | 757 | 3.2 | 67,135 | 3.9 | ||
| Four or more | 1,691 | 7.2 | 65,912 | 3.8 | ||