TABLE 2.
Mean Body Weight and Mean Body Mass Index at Baseline and at 6 Months: Caranguejo Exercise Trial, Recife, Brazil, August 2005 to January 2006
| Treatment Group (n = 78), Mean (SD) | Control Group (n = 78), Mean (SD) | Difference (95% CI) | P | |
| Weight, kg | ||||
| Baseline | 71.2 (7.8) | 74.5 (11.0) | −3.28 (−6.30, −0.28) | .033 |
| Final | 69.9a (8.2) | 74.9 (11.3) | −4.98 (−8.12, −1.84) | .002 |
| Percentage change | −1.83 (3.2) | 0.53 (2.7) | −2.36 (−3.29, −1.43) | <.001 |
| Absolute change, kg | −1.26 (2.4) | 0.40 (2.4) | −1.69 (−2.36, −1.03) | <.001 |
| Adjustedb absolute change, kg | −1.66a (−2.34, −0.98) | <.001 | ||
| Body mass index, kg/m2 | ||||
| Baseline | 29.8 (3.1) | 30.3 (3.4) | −0.53 (−1.56, −0.50) | .309 |
| Final | 29.2c (3.5) | 30.4 (3.5) | −1.16 (−2.26, −0.07) | .038 |
| Percentage change | −2.00 (3.7) | 0.24 (3.3) | −2.25 (−3.36, −1.14) | <.001 |
| Absolute change, kg/m2 | −0.56 (0.1) | 0.05 (0.1) | −0.63 (−0.97, −0.30) | <.001 |
| Adjusteda absolute change, kg/m2 | −0.62a (−0.96, −0.28) | <.001 |
Note. CI = confidence interval.
a
Significantly different from corresponding baseline value at P = .02 (Student t test).
b
Adjusted for differences in baseline height and weight.
c
Significantly different from corresponding baseline value at P = .004 (Student t test).