Table 4. Associations of age at first overweight with spine modes at age 60–64.
| SM1 | SM2 | SM3 | SM4 | ||
|---|---|---|---|---|---|
| β (95%CI) | β (95%CI) | β (95%CI) | β (95%CI) | ||
| Unadjusted† | |||||
| Men (n = 642) | |||||
| Overweight 36y | 0.027 (-0.182, 0.235) | -0.315 (-0.529, -0.101) | -0.277 (-0.484, -0.071) | 0.011 (-0.199, 0.220) | |
| Overweight 43y | 0.030 (-0.220, 0.280) | -0.287 (-0.544, -0.03) | -0.029 (-0.277, 0.219) | -0.078 (-0.329, 0.174) | |
| Overweight 53y | -0.088 (-0.341, 0.164) | 0.067 (-0.193, 0.326) | -0.114 (-0.365, 0.137) | -0.208 (-0.462, 0.046) | |
| Overweight 60-64y | 0.234 (-0.092, 0.559) | -0.02 (-0.354, 0.315) | 0.048 (-0.275, 0.372) | 0.126 (-0.202, 0.453) | |
| P-value trend (except **) | .7 | .002** | .024** | .4 | |
| Women (n = 691) | |||||
| Overweight 36y | -0.038 (-0.26, 0.185) | -0.057 (-0.273, 0.159) | -0.262 (-0.428, -0.096) | 0.161 (-0.063, 0.385) | |
| Overweight 43y | -0.124 (-0.357, 0.109) | -0.153 (-0.38, 0.074) | -0.226 (-0.401, -0.051) | 0.123 (-0.112, 0.359) | |
| Overweight 53y | 0.020 (-0.192, 0.231) | 0.011 (-0.194, 0.217) | -0.064 (-0.222, 0.094) | 0.014 (-0.199, 0.228) | |
| Overweight 60-64y | -0.01 (-0.289, 0.27) | -0.008 (-0.28, 0.264) | 0.059 (-0.151, 0.268) | 0.008 (-0.274, 0.291) | |
| P-value trend (except **) | .96 | .98 | .003** | .9 | |
| P-for sex interaction | .5 | .3 | .6 | .4 | |
| Adjusted for current BMI† | |||||
| Men (n = 642) | |||||
| Overweight 36y | 0.116 (-0.178, 0.409) | -0.299 (-0.600, 0.003) | -0.184 (-0.475, 0.107) | -0.051 (-0.346, 0.244) | |
| Overweight 43 y | 0.089 (-0.196, 0.374) | -0.276 (-0.569, 0.016) | 0.033 (-0.250, 0.315) | -0.118 (-0.405, 0.168) | |
| Overweight 53y | -0.042 (-0.317, 0.233) | 0.075 (-0.207, 0.357) | -0.065 (-0.338, 0.208) | -0.240 (-0.517, 0.036) | |
| Overweight 60-64y | 0.270 (-0.067, 0.608) | -0.013 (-0.360, 0.333) | 0.087 (-0.247, 0.422) | 0.100 (-0.239, 0.439) | |
| P-value trend (except **) | .7 | .024** | .3 | .4 | |
| Women (n = 691) | |||||
| Overweight 36y | -0.080 (-0.406, 0.247) | 0.036 (-0.282, 0.353) | -0.229 (-0.473, 0.016) | 0.139 (-0.190, 0.469) | |
| Overweight 43 y | -0.154 (-0.443, 0.135) | -0.087 (-0.368, 0.194) | -0.202 (-0.419, 0.014) | 0.107 (-0.184, 0.399) | |
| Overweight 53y | -0.003 (-0.249, 0.243) | 0.06 (-0.179, 0.299) | -0.046 (-0.231, 0.138) | 0.003 (-0.246, 0.252) | |
| Overweight 60-64y | -0.027 (-0.324, 0.270) | 0.03 (-0.258, 0.319) | 0.073 (-0.150, 0.295) | -0.001 (-0.301, 0.299) | |
| P-value trend (except **) | .9 | .7 | .08** | .6 | |
| P-for sex interaction | .5 | .3 | .6 | .5 | |
†reference group: never overweight (BMI <25kg/m2)
**P-value for test of heterogeneity across groups when there was evidence of a deviation from a linear trend