Table 2.
Effects of treatment on primary and secondary outcomes (binary) among randomized participants
| Intervention (n = 1062) |
Control (n = 1037) |
% Difference (95% CI) |
P value | ||
| Primary outcome | n (%) | n (%) | |||
| Commenced or increased cholesterol-lowering therapy | 64 (6.0) | 79 (7.6) | -1.6 (-3.75 to 0.57) | .15 | |
| Commenced treatment | 29 (2.7) | 42 (4.1) | -1.4 (-2.87 to 0.23) | .09 | |
| Increased treatment | 35 (3.3) | 37 (3.6) | -0.3 (-1.83 to 1.29) | .73 | |
| Secondary outcomes (binary) | |||||
| Discussed treatment with a health professional | 521 (49.1) | 549 (52.9) | -3.8 (-8.16 to 0.19) | .08 | |
| Had blood cholesterol checked | 465 (43.8) | 470 (45.3) | -1.5 (-5.79 to 2.71) | .48 | |
| Commenced eating a healthy diet | 85 (8.0) | 86 (8.3) | -0.3 (-2.63 to 2.05) | .81 | |
| Commenced trying to lose weight | 107 (10.1) | 103 (9.9) | 0.2 (-2.42 to 2.71) | .91 | |
| Commenced taking regular exercise | 112 (10.5 | 100 (9.6) | 0.9 (-1.67 to 3.50) | .49 | |
| Commenced using cholesterol-lowering margarine | 112 (10.5) | 105 (10.1) | 0.4 (-2.18 to 3.03) | .75 | |
| Stopped smoking | 9 (0.8) | 9 (0.9) | -0.1 (-0.81 to 0.77) | .96 | |
| Blood pressure checked | 744 (70.1) | 712 (68.7) | 1.4 (-2.55 to 5.34) | .49 | |
| Referred friend or relative to the website | 176 (16.6) | 91 (8.8) | 7.8 (4.97-10.62) | <.001 | |
| Number of friends or relatives that visited the website | 69 (7) | 23 (2) | 3.1 (1.9-5.0) | <.001 | |