Table 2. Characteristics during and at the end of the follow-up period.
| Male (n = 854) | Female (n = 2420) | p-value | Total (n = 3274) | |
|---|---|---|---|---|
| Breakfast calories (kcal/person insertion days) [95% Cl] | 325.50 [317.0–334.0] | 273.50 [269.30–277.60] | <0.001 | 287.02 [283.18–290.87] |
| Lunch calories (kcal/person insertion days) [95% Cl] | 479.70 [469.70–489.70] | 386.20 [381.40–391.10] | <0.001 | 410.62 [405.97–415.26] |
| Dinner calories (kcal/person insertion days) [95% Cl] | 555.50 [543.50–567.50] | 426.90 [421.20–432.60] | <0.001 | 460.43 [454.83–466.03] |
| Final BMI (kg/m2)* [95% Cl] | 28.087 [27.756–28.417] | 27.153 [26.889–27.417] | <0.001 | 27.397 [27.183–27.610] |
| Underweight (BMI < 18.5) | 2 (0.23%) | 49 (2.02%) | <0.001 | 51 (1.56%) |
| Normal (18.5 < BMI < 25) | 239 (27.99%) | 1065 (44.0%) | <0.001 | 1304 (39.83%) |
| Overweight (25 < BMI < 30) | 385 (45.08%) | 686 (28.34%) | <0.001 | 1071 (32.71%) |
| Obesity Class I (30 < BMI < 35) | 151 (17.68%) | 339 (14%) | 0.009 | 490 (14.97%) |
| Obesity Class II (35 < BMI < 40) | 52 (6.09%) | 156 (6.45%) | not significant | 208 (6.35%) |
| Obesity Class III (BMI > 40) | 25 (2.93%) | 124 (5.12%) | 0.008 | 149 (4.55%) |
| Paired T-test (difference between final and initial BMI) | ||||
| Male (m = 854) | Female (n = 2420) | Total (n = 3274) | ||
| Diff. BMI: end BMI-start BMI [CI 95%] | −2.389 [−2.588; −2.191](p < 0.001) | −1.969 [−2.084; −1.855] (p < 0.001) | −2.079 [−2.178; −1.979] (p < 0.001) | |
| Users who lost weight (diff. BMI < 0) | 731 (85.60%) | 1901 (78.55%) | 2632 (80.39%) | |
| Users with stable weight (diff. BMI = 0) | 8 (0.94%) | 41 (1.69%) | 49 (1.50%) | |
| Users who gained weight (diff. BMI > 0) | 115 (13.47%) | 478 (19.75%) | 593 (18.11%) | |
*Difference in the BMI of the subjects during the study period is significant (p < 0.001).