Table 5.
Means, standard deviations, and P values for ratings of liking, difficulty to use, and helpfulness of the websites presented by website condition (labelled means without a common letter differ significantly according to Bonferonni-adjusted pairwise comparisons, P < .05).
| Information-based n = 18 | Supportive n = 209 | Personalized-supportive n = 204 |  | ||||
| M | SD | M | SD | M | SD | P | |
| Overall how much did you like the TWD website?a | 2.72a | 2.24 | 4.50b | 2.69 | 4.36b | 2.52 | .021 | 
| How difficult was it to use the website?b | 4.39a | 3.31 | 4.47a | 2.73 | 4.44a | 2.57 | .985 | 
| How much did the website help you stick to the TWD?a | 2.39a | 2.45 | 4.43b | 2.91 | 4.03a,b | 2.88 | .012 | 
a Response format: 0 (not at all) to 9 (completely).
b Response format: 0 (very challenging) to 9 (not at all challenging).