Table 4 Birth weight and achieved body weight in young adult age predicting adult lung function

FEV₁ (z-score)

 Group 1 (N = 898)

Group 2 (N = 2805)

0.115

0.04

0.05

0.0001

0.230

Group 1 (N = 340)

Group 2 (N = 375)

0.05

0.07

0.87

− 0.124

0.228

 Reference

Group 3 (N = 2570)

0.019

0.05

0.97

− 0.097

0.136

reference

Group 3 (N = 261)

− 0.14

0.08

0.23

− 0.336

0.05

Group 4 (N = 701)

0.171

0.06

0.02

0.019

0.322

Group 4 (N = 306)

0.10

0.07

0.46

− 0.08

0.29

FVC (z-score)

 Group 1 (N = 899)

Group 2 (N = 2806)

0.136

0.04

0.008

0.026

0.246

Group 1 (N = 339)

Group 2 (N = 375)

− 0.08

0.07

0.60

− 0.256

0.089

 Reference

Group 3 (N = 2572)

0.012

0.04

0.993

− 0.01

0.123

reference

Group 3 (N = 261)

− 0.10

0.07

0.51

− 0.291

0.088

Group 4 (N = 703)

0.132

0.06

0.090

− 0.013

0.277

Group 4 (N = 306)

− 0.14

0.07

0.21

− 0.319

0.044

FEV₁/FVC (z-score)

 Group 1 (N = 884)

Group 2 (N = 2778)

− 0.018

0.05

0.985

− 0.148

0.113

Group 1 (N = 339)

Group 2 (N = 375)

0.24

0.07

0.002

0.067

0.421

 Reference

Group 3 (N = 2531)

0.014

0.05

0.993

− 0.118

0.146

reference

Group 3 (N = 261)

− 0.03

0.08

0.97

− 0.227

0.162

Group 4 (N = 697)

0.074

0.07

0.678

− 0.097

0.245

Group 4 (N = 306)

0.41

0.07

< 0.001

0.223

0.595