Table 4.
Results of Heritability Analysis for (i) Basal Temperature Adjusted for Age and Sex; (ii) Basal Temperature Adjusted for Age, Sex, and BMI; and (iii) Fever, Adjusted for Age, Sex, and BMI
| Variance Components | Model Fit | Model Comparison | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Trait | Model | A | C | E | es | –2LL | AIC | χ 2 | df | p | base |
| Temperature | Saturated | - | - | - | 10 | 921.88 | −1 236.111 | - | - | - | - |
| (Adjusted for Age and Sex) | ACE | 0.47 [0.18–0.57] | 0.03 [0–0.28] | 0.49 [0.42–0.57] | 4 | 923.73 | −1 246.262 | 1.85 | 6 | .933 | Saturated |
| AE | 0.50 [0.43–0.57] | - | 0.49 [0.42–0.57] | 3 | 923.79 | −1 248.205 | 0.06 | 1 | .810 | ACE | |
| CE | - | 0.42 [0.34–0.48] | 0.57 [0.51–0.65] | 3 | 934.40 | −1 237.598 | 10.61 | 1 | 1.092e−03 | ACE | |
| E | - | - | 1.00 [1.00–1.00] | 2 | 1 033.16 | −1 140.835 | 109.37 | 1 | 1.346e−25 | AE | |
| Temperature | Saturated | - | - | - | 10 | 913.39 | −1 244.602 | - | - | - | - |
| (Adjusted for Age, Sex and BMI) | ACE | 0.44 [0.15–0.57] | 0.06 [0–0.31] | 0.49 [0.42–0.57] | 4 | 915.40 | −1 254.594 | 2.01 | 6 | .918 | Saturated |
| AE | 0.50 [0.43–0.57 | - | 0.49 [0.42–0.57] | 3 | 915.61 | −1 256.384 | 0.21 | 1 | .646 | ACE | |
| CE | - | 0.24 [0.35–0.49] | 0.57 [0.50–0.64] | 3 | 924.83 | −1 247.169 | 9.22 | 1 | 2.139e−03 | ACE | |
| E | - | - | 1.00 [1.00–1.00] | 2 | 1 025.86 | −1 148.136 | 110.25 | 1 | 8.646e−26 | AE | |
| Fever | Saturated | - | - | - | 13 | 1 853.05 | −4 318.95 | - | - | - | - |
| (Adjusted for Age, Sex and BMI) | ACE | 0 [0–0] | 0.21 [0–0.38] | 0.79 [0.62–0.98] | 8 | 1 856.93 | −4 329.07 | 3.88 | 7 | .793 | Saturated |
| AE | 0.2 [0–0.21] | - | 0.8 [0.66–0.99] | 7 | 1 858.20 | −4 329.80 | 1.27 | 1 | .260 | ACE | |
| CE | - | 0.21 [0.02–0.38] | 0.79 [0.62–0.98] | 7 | 1 856.93 | −4 331.07 | 0.00 | 1 | 1.000 | ACE | |
| E | - | - | 1.00 [1.00–1.00] | 6 | 1 861.85 | −4 328.15 | 4.92 | 1 | .027 | CE | |
Note: BMI = body mass index.