Table 6.
Results of independent two-tailed t tests to compare the total frequency of data entry between Organization for Economic Co-operation and Development (n=8041) and low-income countries (n=312).
| Characteristics | Organization for Economic Co-operation and Development countries (n=8041), mean (SD) | Low-income countries (n=321), mean (SD) | t test (df) | P value | t-value (95% CI) |
| Total frequency of exercise data entry | 123.6 (97.4) | 126.2 (96.6) | 0.1 (8351) | .65 | −8.4 to 13.6 |
| Total frequency of breakfast data entry | 198.5 (99.4) | 199.3 (103.8) | −0.2 (8351) | .88 | −10.4 to 12.1 |
| Total frequency of morning snack data entry | 88.0 (85.1) | 114.8 (99.7) | −5.4 (8351) | <.001 | 17.1 to 36.5 |
| Total frequency of lunch data entry | 183.2 (98.7) | 179.7 (104.5) | −0.9 (8351) | .53 | −14.8 to 7.6 |
| Total frequency of afternoon snack data entry | 101.3 (84.4) | 120.4 (97.1) | 3.9 (8351) | <.001 | 9.5 to 28.7 |
| Total frequency of dinner data entry | 152.6 (100.6) | 149.36 (106.3) | 1.1 (8351) | .58 | −15.3 to 8.8 |
| Total frequency of evening snack data entry | 57.3 (69.9) | 62.74 (76.0) | −0.3 (8351) | .18 | −7.3 to 9.2 |