Comparison 4. Diet plus exercise versus diet alone.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Change in body weight (kg)	1	43	Mean Difference (IV, Fixed, 95% CI)	0.30 [‐0.06, 0.66]
2 Change in % body fat	1	43	Mean Difference (IV, Fixed, 95% CI)	‐0.70 [‐1.44, 0.04]
3 Change in fat‐free mass (kg)	1	43	Mean Difference (IV, Fixed, 95% CI)	0.7 [0.24, 1.16]
4 Change in basal plasma prolactin concentration (µg/mL)	1	43	Mean Difference (IV, Fixed, 95% CI)	1.16 [‐13.86, 16.18]
5 Milk volume (g/day)	1	44	Mean Difference (IV, Fixed, 95% CI)	‐15.0 [‐62.34, 32.34]