Table 1.
Characteristics of non-participants and participants in the questionnaire survey
| Frequency (%) among non- participants (N = 5,628) |
Frequency (%) among participants (N = 12,058) |
|
|---|---|---|
| Age group (years) | ||
| 25-29 | 25.3 | 23.4 |
| 30-34 | 22.7 | 24.7 |
| 35-39 | 24.1 | 25.3 |
| 40-45 | 27.9 | 26.7 |
| Residential region in Norway | ||
| Oslo (capital) | 18.1 | 15.4 |
| Eastern (minus Oslo) | 36.9 | 38.5 |
| Western | 29.2 | 28.7 |
| Northern | 15.8 | 17.4 |
| Median income in residential municipality (NOK)1 | ||
| 240,000-290,000 | 20.2 | 17.8 |
| 290,001-310,000 | 18.4 | 17.7 |
| 310,001-320,000 | 17.3 | 17.1 |
| 320,001-360,000 | 22.1 | 23.0 |
| 360,001-450,000 | 22.0 | 24.3 |
1 Data from Statistics Norway on the 2005 median income per household in the women's residential municipality. There are 430 municipalities in Norway