Table 2.
Distribution of item scores according to sample, number (%), and comparison of scores between modes of survey
| Postal survey | Web survey | P a | Odds ratio | 95% CI | P | |||
|---|---|---|---|---|---|---|---|---|
| n | 1131 | 977 | ||||||
| Mobility | 0.66 | 0.97b | (0.74 to 1.28) | 0.84 | ||||
| No problems | 968 | (86) | 831 | (85) | ||||
| Some problems | 163 | (14) | 145 | (15) | ||||
| Confined to bed | – | 1 | (0) | |||||
| Self-care | 0.94 | 0.81b | (0.44 to 1.48) | 0.49 | ||||
| No problems | 1102 | (97) | 954 | (98) | ||||
| Some problems | 28 | (3) | 23 | (2) | ||||
| Unable to wash or dress | 1 | (0) | – | |||||
| Usual activities | 0.14 | 1.08c | (0.85 to 1.38) | 0.52 | ||||
| No problems | 949 | (84) | 789 | (81) | ||||
| Some problems | 172 | (15) | 175 | (18) | ||||
| Unable to perform | 10 | (1) | 13 | (1) | ||||
| Pain/Discomfort | 0.002 | 1.25c | (1.04 to 1.50) | 0.019 | ||||
| No pain or discomfort | 647 | (57) | 495 | (51) | ||||
| Moderate pain or discomfort | 444 | (39) | 426 | (44) | ||||
| Extreme pain or discomfort | 40 | (4) | 56 | (6) | ||||
| Anxiety/Depression | 0.62 | 0.88c | (0.70 to 1.10) | 0.26 | ||||
| Not anxious or depressed | 893 | (79) | 766 | (78) | ||||
| Moderately anxious or depressed | 228 | (20) | 198 | (20) | ||||
| Extremely anxious or depressed | 10 | (1) | 13 | (1) | ||||
aFisher’s exact test; bLogistic regression: OR for web compared to postal of scoring Moderate/extreme vs. Mild, adjusted for age, sex and education;
cOrdinal logistic regression: OR for web compared to postal of scoring in a higher category on the scale, adjusted for age, sex and education