Table 4.
Association between the use of heating in the bedroom (yes versus no 1 ) and BMI
| |
3 months |
1 year |
2 years |
3 years |
4 years |
5 years |
6 years |
7 years |
8 years |
11 years |
Overall |
|---|---|---|---|---|---|---|---|---|---|---|---|
| |
β
2
|
β
2
|
β
2
|
β
2
|
β
2
|
β
2
|
β
2
|
β
2
|
β
2
|
β
2
|
β
2
|
| (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | |
|
Crude |
|
|
|
|
|
|
|
|
|
|
|
| Girls |
-0.02 |
0.01 |
-0.03 |
-0.06 |
-0.11 |
-0.16* |
-0.17* |
-0.14* |
-0.08 |
-0.11 |
-0.07 |
| |
(-0.14,0.10) |
(-0.10,0.12) |
(-0.15,0.08) |
(-0.19,0.06) |
(-0.23,0.01) |
(-0.29,-0.03) |
(-0.29,-0.04) |
(-0.25,-0.03) |
(-0.19,0.03) |
(-0.22,0.01) |
(-0.15,0.01) |
| Boys |
-0.08 |
0.13* |
0.04 |
0.04 |
-0.01 |
0.03 |
0.01 |
0.00 |
0.08 |
0.07 |
0.03 |
| |
(-0.20,0.03) |
(0.03,0.23) |
(-0.06,0.14) |
(-0.06,0.14) |
(-0.12,0.09) |
(-0.09,0.14) |
(-0.10,0.12) |
(-0.11,0.11) |
(-0.02,0.18) |
(-0.04,0.18) |
(-0.04,0.10) |
|
Adjusted
3
|
|
|
|
|
|
|
|
|
|
|
|
| Girls |
0.00 |
0.03 |
-0.01 |
-0.04 |
-0.09 |
-0.13* |
-0.14* |
-0.12* |
-0.05 |
-0.08 |
-0.05 |
| |
(-0.12,0.11) |
(-0.07,0.14) |
(-0.12,0.11) |
(-0.16,0.08) |
(-0.20,0.03) |
(-0.26,0.00) |
(-0.26,-0.02) |
(-0.22,-0.01) |
(-0.16,0.05) |
(-0.19,0.04) |
(-0.12,0.03) |
| Boys |
-0.07 |
0.14* |
0.05 |
0.05 |
0.00 |
0.04 |
0.02 |
0.01 |
0.09 |
0.08 |
0.04 |
| (-0.18,0.04) | (0.04,0.24) | (-0.05,0.15) | (-0.05,0.15) | (-0.10,0.10) | (-0.07,0.15) | (-0.08,0.13) | (-0.09,0.12) | (-0.01,0.19) | (-0.02,0.19) | (-0.03,0.11) |
1Used as reference group.
2Increase in BMI z-score per 1°C.
3Adjusted for maternal education level, birth weight, indoor smoking, breastfeeding, maternal overweight before pregnancy.
*p < 0.05.