Table 2.
Results of independent two-tailed t tests to compare the difference in frequency of data entry between Organization for Economic Co-operation and Development (n=8041) and low-income countries (n=312).
| Characteristics | Time 1 (baseline to 3 months), mean (SD) | Time 2 (3-6 months), mean (SD) | Time 3 (6-9 months), mean (SD) | Time 4 (9-12 months), mean (SD) | |||||||
|
|
OECDa | Low-income | OECD | Low-income | OECD | Low-income | OECD | Low-income | |||
| Frequency of exercise data entry | 35.1 (23.0) | 36.2 (24.5) | 28.4 (23.6) | 29.7 (24.3) | 22.2 (22.5) | 23.3 (23.0) | 18.5 (21.1) | 19.4 (21.1) | |||
| Frequency of breakfast data entry | 51.5 (30.0)b | 46.9 (32.1)b | 50.9 (28.1) | 51.7 (27.3) | 40.0 (29.7) | 40.4 (30.5) | 32.9 (29.1) | 33.9 (29.9) | |||
| Frequency of morning snack data entry | 22.4 (22.2)b | 26.4 (26.4)b | 21.7 (22.3)b | 28.2 (25.8)b | 16.4 (20.5)b | 21.5 (24.6)b | 13.4 (19.2)b | 17.8 (23.4)b | |||
| Frequency of lunch data entry | 48.4 (29.4)b | 43.1 (32.1)b | 47.1 (47.5) | 47.5 (28.4) | 36.2 (28.9) | 36.8 (30.3) | 29.5 (28.2) | 30.3 (29.3) | |||
| Frequency of afternoon snack data entry | 27.7 (23.0) | 29.2 (26.4) | 25.5 (22.6)b | 30.3 (24.9)b | 18.8 (21.2)b | 22.3 (24.3)b | 15.2 (19.8)b | 17.9 (22.6)b | |||
| Frequency of dinner data entry | 42.8 (29.1)b | 37.8 (30.7)b | 38.7 (28.0) | 38.8 (22.6) | 29.1 (27.8) | 29.3 (28.2) | 23.6 (26.3) | 23.8 (27.1) | |||
| Frequency of evening snack data entry | 16.5 (18.1) | 17.1 (20.5) | 13.6 (17.5) | 15.0 (19.3) | 21.1 (16.8) | 21.1 (18.0) | 8.0 (14.9) | 8.9 (16.1) | |||
aOECD: Organization for Economic Co-operation and Development.
bSignificant at the P<.05 level.