Table 3.
Results from linear growth-curve models.
| Model 1 | Model 2 | |
|---|---|---|
|
| ||
| Mean heart rate | SD heart rate | |
| Day | 0.011** (0.003, 0.019) |
0.002 (−0.001, 0.005) |
| Average measure of in-study contacts | 0.045*** (0.041, 0.050) |
0.025*** (0.020, 0.030) |
| Daily network size | 0.041*** (0.035, 0.048) |
−0.017*** (−0.021, −0.014) |
| Women (1=yes) | 5.869*** (4.425, 7.312) |
1.911*** (1.570, 2.251) |
| Women × Day | −0.001 (−0.003, 0.002) |
−0.002*** (−0.003, −0.001) |
| Latino (1=yes) | 0.635 (−1.393, 2.663) |
−0.212 (−0.691, 0.267) |
| Latino × Day | 0.002 (−0.002, 0.005) |
0.000 (−0.001, 0.001) |
| Black American (1=yes) | 3.292* (0.396, 6.188) |
−0.479 (−1.192, 0.234) |
| Black American × Day | −0.001 (−0.006, 0.003) |
0.000 (−0.002, 0.002) |
| Asians American (1=yes) | 0.803 (−1.637, 3.242) |
0.059 (−0.519, 0.637) |
| Asians American × Day | 0.001 (−0.003, 0.005) |
0.001 (−0.001, 0.002) |
| International student (1=yes) | −0.724 (−3.959, 2.511) |
−0.615 (−1.413, 0.183) |
| International student × Day | 0.002 (−0.003, 0.008) |
0.002 (−0.000, 0.004) |
| BMI | 0.186 (−0.018, 0.389) |
−0.188*** (−0.237, −0.139) |
| BMI × Day | −0.001** (−0.001, −0.000) |
−0.000 (−0.000, 0.000) |
| Extraversion | −0.204 (−1.198, 0.790) |
−0.100 (−0.335, 0.134) |
| Extraversion × Day | −0.000 (−0.002, 0.001) |
0.000 (−0.000, 0.001) |
| Agreeableness | −0.874 (−2.113, 0.365) |
0.003 (−0.289, 0.296) |
| Agreeableness × Day | −0.002* (−0.004, −0.000) |
−0.000 (−0.001, 0.001) |
| Conscientiousness | −1.460* (−2.636, −0.283) |
0.317* (0.0379, 0.597) |
| Conscientiousness × Day | 0.001 (−0.001, 0.003) |
0.000 (−0.000, 0.001) |
| Neuroticism | 0.107 (−1.146, 1.360) |
0.175 (−0.127, 0.476) |
| Neuroticism × Day | −0.001 (−0.003, 0.001) |
0.000 (−0.001, 0.001) |
| Openness | −0.359 (−1.602, 0.885) |
−0.172 (−0.467, 0.122) |
| Openness × Day | 0.001 (−0.001, 0.003) |
−0.000 (−0.001, 0.000) |
| Depressive symptoms | 0.924 (−0.746, 2.594) |
0.416 (−0.015, 0.847) |
| Depressive symptoms × Day | −0.001 (−0.004, 0.001) |
−0.001 (−0.002, 0.000) |
| Monday to Thursday(1=yes) | −0.622*** (−0.735, −0.509) |
0.447*** (0.382, 0.512) |
| Friday(1=yes) | 0.295*** (0.164, 0.427) |
−0.212*** (−0.287, −0.137) |
| Saturday(1=yes) | 0.775*** (0.649, 0.901) |
−0.399*** (−0.471, −0.328) |
| Home football game day (1=yes) | 1.641*** (1.409, 1.872) |
−1.199*** (−1.331, −1.067) |
| Midterm break (1=yes) | −0.475*** (−0.639, −0.311) |
−0.283*** (−0.376, −0.190) |
| Winter break(1=yes) | −0.912*** (−1.081, −0.744) |
−0.023 (−0.119, 0.073) |
| Summer break(1=yes) | −1.905*** (−2.052, −1.759) |
0.014 (−0.0687, 0.0964) |
| Thanksgiving holidays (1=yes) | −0.807*** (−1.070, −0.544) |
0.040 (−0.110, 0.189) |
| Easter holidays (1=yes) | −1.150*** (−1.444, −0.855) |
0.237** (0.0699, 0.405) |
| Orientation week (1=yes) | −0.944*** (−1.256, −0.631) |
−0.616*** (−0.794, −0.438) |
| Final exam week (1=yes) | −0.089 (−0.273, 0.095) |
−0.134* (−0.239, −0.029) |
| Highest temperature (°F) | −0.004 (−0.008, 0.001) |
−0.008*** (−0.010, −0.005) |
| Lowest temperature (°F) | −0.011*** (−0.016, −0.006) |
0.004* (0.001, 0.006) |
| Precipitation in inch | 0.118** (0.030, 0.206) |
−0.006 (−0.056, 0.044) |
| Snowfall in inch | −0.010 (−0.051, 0.030) |
−0.009 (−0.032, 0.014) |
| Snow piling depth in inch | −0.018 (−0.044, 0.008) |
0.000 (−0.015, 0.015) |
| Physical activity | 6.789*** (6.711, 6.866) |
5.426*** (5.382, 5.470) |
| Minutes in bed | −0.008*** (−0.009, −0.008) |
−0.000*** (−0.000, −0.000) |
| Number of classes | −0.193*** (−0.225, −0.161) |
0.029** (0.011, 0.047) |
| Intercept | 66.930*** (62.120, 71.750) |
18.170*** (17.010, 19.340) |
| Number of cases | 55,977 | 55,961 |
| Number of individuals | 487 | 487 |
| Goodness-of-fit | ||
| AIC | 308409.7 | 244317.9 |
| BIC | 308865.3 | 244773.4 |
| Wald chi-square/df | 46219.29/46 | 64278.73/46 |
| Log-likelihood | −154153.85 | −122107.94 |
Note:
*
p < 0.05
**
p < 0.01
***
p < 0.001