Table 1.
Participant Characteristics for Stages 1–7
| n | Age, y (Mean) | Gender (% male) | Ethnicity (%Black/Minority Ethnic) | Marital Status (% Single/Divorced | |
| Stage 1 and 2 focus groups/Delphi process | 12 | 41.5 (7.4); 31–56 | 75 | 25 | — |
| Stage 3 pilot interview | 15 | 36.7 (8.8); 26–56 | 73.3 | 66.6 | 100 |
| Stage 4 factor analysis | 152 | 36.2 (8.9); 20–60 | 60.5 | 46.5 (n =142) | 88.6 (n = 140) |
| Stage 5 construct validitya | 120 | 35.9 (8.7); 20–60 | 64.2 | 47.4 (n=116) | 89.4 (n = 114) |
| Stage 6 test-retest reliabilitya | 30 | 34.3 (7.7); 20–50 | 57.1 | 39.3 | 89.3 |
| Stage 7 sensitivity to changea | 33 | 37.7 (7.0); 22–56 | 48.5 | 39.4 | 84.9 |
a
A subset of the total participant group involved in the factor analysis.