Table 2.
Differences in psychological variables between screening attenders and control participants at initial time point*. Values are means (SD) unless stated otherwise
| Psychological variables | Control group A, non-screening | Screened negative at initial (random blood glucose) test | Screened positive at initial test and referred for further testing | Difference† (95% CI); P value |
|---|---|---|---|---|
| Personal risk | 31.5 (22.7) (n=251) | 29.9 (20.8) (n=1994) | 34.9 (22.2) (n=1079) | −1.58 (−4.79 to 1.65); 0.35 |
| Comparative risk | 2.92 (0.97) (n=254) | 2.76 (1.02) (n=2013) | 3.04 (0.95) (n=1106) | −0.16 (−0.30 to −0.02); 0.044 |
| Intention to reduce dietary fat | 3.63 (0.96) (n=260) | 3.67 (0.88) (n=2065) | 3.58 (0.89) (n=1140) | 0.04 (−0.08 to 0.17); 0.52 |
| Intention to reduce dietary sugar | 3.54 (1.01) (n=260) | 3.58 (0.92) (n=2058) | 3.52 (0.91) (n=1148) | 0.04 (−0.09 to 0.17); 0.54 |
| Intention to increase exercise | 3.48 (0.94) (n=261) | 3.58 (0.87) (n=2065) | 3.49 (0.87) (n=1138) | 0.10 (−0.02 to 0.21); 0.11 |
| Self rated health | 3.14 (0.85) (n=253) | 3.17 (0.87) (n=2056) | 2.97 (0.89) (n=1142) | 0.02 (−0.15 to 0.19); 0.83 |
*Immediately after initial (random blood glucose) test for screening attenders; first contact for control participants.
†Screen negative group minus control group.