Table 1 Sample characteristics, and frequency and duration of sitting breaks
| Â | Reliability sample (%) | Validity sample (%) |
|---|---|---|
|  | (n = 96) | (n = 143) |
Sex | Â | Â |
 Men | 37.5 | 37.4 |
 Women | 62.5 | 62.6 |
Age (years) | Â | Â |
 18-29 | 26.0 | 33.5 |
 30-39 | 27.4 | 33.8 |
 40-49 | 25.6 | 19.7 |
 50-59 | 16.9 | 9.2 |
 60 and over | 4.2 | 2.1 |
Education | Â | Â |
 Some high school | 8.3 | 7.1 |
 Year 12 or equivalent | 16.7 | 25.4 |
 Trade or technical | 6.3 | 9.3 |
 University/tertiary qualification | 68.8 | 61.8 |
Occupation | Â | Â |
 Managers/administrators | 23.7 | 25.2 |
 Professionals | 20.9 | 19.7 |
 Associate professional | 15.3 | 16.2 |
 Trades persons | 3.5 | 0.0 |
 Advanced clerical | 17.5 | 15.9 |
 Intermediate clerical | 19.1 | 23.0 |
Employment Status | Â | Â |
 Full-time | 86.1 | 94.6 |
 Part-time | 13.9 | 4.8 |
Frequency of sitting breaks * | Â | Â |
 0 | 0.0 | 1.5 |
 1 | 35.4 | 26.5 |
 2 | 25.0 | 31.8 |
 3 | 19.8 | 25.8 |
 4 | 6.3 | 6.8 |
 5 | 7.3 | 7.6 |
 ≥ 6 | 6.3 | 0.0 |
Duration of sitting breaks (minutes) * | Â | Â |
 < 5 | 14.6 | 20.9 |
 5 - 9 | 13.5 | 15.5 |
 10 - 19 | 37.5 | 21.7 |
 20 - 29 | 12.5 | 15.5 |
 30 - 59 | 16.7 | 23.3 |
 ≥ 60 | 5.2 | 3.1 |