Table 2.
Frequency of over-reporting, correct reporting, and under-reporting in the different response categories of the SED-GIH question and in selected strata.
| Over-Reporting | Correct Reporting | Under-Reporting | ||
|---|---|---|---|---|
| SED-GIH | 0–3 h | - | 0 | 143 (100%) |
| 4–6 h | 0 | 13 (5%) | 266 (95%) | |
| 7–9 h | 2 (1%) | 88 (52%) | 79 (47%) | |
| 10+ h a | 37 (31%) | 83 (69%) | - | |
| SES | Low | 30(7%) | 114 (26%) | 294 (67%) |
| High | 39 (3%) | 69 (26%) | 186 (71%) | |
| Gender | Male * | 17 (8%) | 71 (32%) | 134 (60%) |
| Female * | 22 (5%) | 113 (23%) | 354 (72%) | |
| MVPA | Under median * | 13 (3%) | 97 (24%) | 293 (73%) |
| Over median * | 26 (8%) | 87 (28%) | 195 (63%) | |
| Age | Under median * | 25 (7%) | 104 (29%) | 235 (65%) |
| Over median * | 14 (4%) | 80 (23%) | 253 (73%) | |
| WC | Low | 20 (7%) | 77 (27%) | 191 (66%) |
| High | 6 (6%) | 33 (34%) | 57 (59%) |
All data is presented as number, n (%). * Frequencies were different across strata of gender, MVPA and age, chi2 p < 0.05. SES: education; MVPA: moderate to vigorous physical activity; WC: waist circumference. a The two upper categories were merged due to low number (n = 16) in the 13+ h category.