From: A meta-analysis of weight gain in first year university students: is freshman 15 a myth?
Specification | N studies | N students | Pooled estimate | Q statistics | P-Value of heterogeneity | I2 | |
---|---|---|---|---|---|---|---|
Mean weight change | Weighted on SE | 22 | 5549 | 1.36 kg (CI: 1.15–1.57) | 141.2 | P < 0.001 | 85.1 % |
Subgroup analysis | By location | 15 | 3661 | USA: 1.32 kg (1.08–1.56) | 90.8 | P < 0.001 | 84.6 % |
1 | 120 | UK: 0.83 kg (0.45–1.21) | 0.00 | NA | NA | ||
5 | 1667 | Canada: 1.71 kg (1.04–2.38) | 29.7 | P < 0.001 | 86.5 % | ||
1 | 101 | Belgium: 0.97 kg (0.57–1.37) | 0.00 | NA | NA | ||
Subgroup analysis | By body weight measurement method | 4 | 3700 | Self-report: 1.04 kg (0.63–1.44) | 26.2 | P < 0.001 | 88.6 % |
18 | 1849 | Measured: 1.45 kg (1.21–1.69) | 89.22 | P < 0.001 | 80.9 % | ||
Subgroup analysis | By study length | 8 | 423 | <4 mths: 1.24 kg (0.96–1.53) | 44.03 | P < 0.001 | 77.3 % |
14 | 5126 | 4–8 mths: 1.47 kg (1.13–1.81) | 95.74 | P < 0.001 | 89.6 % | ||
Subgroup analysis | By gender | 13 | 2876 | Females: 1.34 kg (1.02–1.65) | 59.59 | P < 0.001 | 79.9 % |
8 | 1789 | Males: 1.43 kg (0.90–1.97) | 42.36 | P < 0.001 | 83.5 % |