Table 1.
Descriptive statistics of adult samples used to carry out PCA (Sample 1) and CFA and re-test sample (Sample 2).
| Sample 1 |
Sample 2 |
||
|---|---|---|---|
| PCA (n = 708) |
CFA (n = 954) |
Re-test (n = 93) |
|
| n (%) | n (%) | n (%) | |
| Age | |||
| 18 to 29 | 301 (42.5%) | 166 (17.4%) | 9 (9.7%) |
| 30 to 59 | 300 (42.4%) | 654 (68.6%) | 59 (63.4%) |
| 60+ | 107 (15.1%) | 134 (14.0%) | 25 (26.9%) |
| Gender | |||
| M | 336 (47.5%) | 407 (42.7%) | 19 (20.4%) |
| F | 372 (52.5%) | 547 (57.3%) | 74 (79.6%) |
| BMIa | n = 90 | ||
| Underweight | 30 (4.4%) | 25 (2.7%) | 2 (2.2%) |
| Normal weight | 328 (48.7%) | 380 (39.8%) | 40 (44.4%) |
| Overweight | 173 (25.6%) | 278 (29.1%) | 25 (27.8%) |
| Obese | 143 (21.2%) | 257 (26.9%) | 23 (24.7%) |
| Ethnicity | |||
| White | 635 (90.3%) | 863 (90.5%) | 91 (97.8%) |
| Non-white | 68 (9.7%) | 91 (9.5%) | 2 (2.2%) |
| Education | |||
| Finished primary/secondary school or O level/GCSEb | 179 (25.6%) | 243 (25.5%) | 28 (30.1%) |
| A levels or technical or trade certificate or diploma | 242 (34.6%) | 359 (37.6%) | 29 (31.2%) |
| University | 279 (39.9%) | 352 (36.9%) | 36 (38.7%) |
a
Participants who reported a BMI <14 or >50 were excluded as these values were felt to be unrealistic.
b
General Certificate of Secondary Education.