Table 3. Parameters and 95% confidence intervals from the latent growth-curve models.
| Daily activity | Steps | Active minutes | Activity calories | |
|---|---|---|---|---|
| Average measure of in-study contacts | 0.06*** | 0.07*** | 0.07*** | 0.07*** |
| (0.05, 0.07) | (0.06, 0.08) | (0.06, 0.08) | (0.06, 0.08) | |
| Female participant × Average measure of in-study contacts | -0.05*** | -0.02* | -0.07*** | -0.07*** |
| (-0.07, -0.04) | (-0.04, -0.00) | (-0.09, -0.05) | (-0.08, -0.05) | |
| Daily network size | 0.00** | 17.52*** | 0.11* | 2.29*** |
| (0.00, 0.00) | (9.35, 25.69) | (0.02, 0.20) | (1.33, 3.24) | |
| Day | -0.00 | -8.28** | -0.04 | -0.58 |
| (-0.00, 0.00) | (-14.43, -2.13) | (-0.12, 0.04) | (-1.39, 0.24) | |
| Female participant (1 = yes) | -0.32*** | -756.50* | -18.09*** | -447.40*** |
| (-0.38, -0.25) | (-1458.40, -54.67) | (-25.91, -10.27) | (-530.10, -364.80) | |
| Female participant × Day | 0.00 | 3.59*** | 0.00 | 0.17 |
| (-0.00, 0.00) | (1.83, 5.36) | (-0.02, 0.03) | (-0.05, 0.42) | |
| Latino (1 = yes) | -0.13** | -341.20 | -10.57 | -159.00** |
| (-0.22, -0.04) | (-1253.00, 570.50) | (-21.19, 0.04) | (-269.60, -48.45) | |
| Latino × Day | 0.00 | 0.51 | 0.00 | 0.11 |
| (-0.00, 0.00) | (-1.89, 2.92) | (-0.03, 0.04) | (-0.21, 0.43) | |
| African American (1 = yes) | -0.14* | -679.80 | -19.01* | -147.00 |
| (-0.27, -0.00) | (-2096.90, 737.20) | (-35.48, -2.54) | (-318.20, 24.15) | |
| African American × Day | -0.00 | -2.28 | 0.00 | 0.01 |
| (-0.00, 0.00) | (-5.87, 1.32) | (-0.05, 0.05) | (-0.47, 0.49) | |
| Asians American (1 = yes) | -0.08 | 38.56 | -8.80 | -75.13 |
| (-0.19, 0.02) | (-1094.40, 1171.50) | (-21.97, 4.37) | (-211.90, 61.61) | |
| Asians American × Day | 0.00 | -0.09 | 0.00 | -0.02 |
| (-0.00, 0.00) | (-3.00, 2.82) | (-0.04, 0.04) | (-0.40, 0.37) | |
| Other races (1 = yes) | -0.21*** | -1337.30* | -20.37** | -285.30*** |
| (-0.34, -0.09) | (-2646.80, -27.78) | (-35.65, -5.10) | (-444.50, -126.10) | |
| Other races × Day | 0.00 | 0.44 | 0.00 | 0.12 |
| (-0.00, 0.00) | (-2.93, 3.82) | (-0.04, 0.05) | (-0.33, 0.57) | |
| Protestant (1 = yes) | 0.02 | 297.20 | -8.79 | -14.74 |
| (-0.09, 0.12) | (-796.40, 1390.80) | (-21.54, 3.96) | (-147.10, 117.60) | |
| Protestant × Day | 0.00 | 0.39 | 0.05* | 0.24 |
| (-0.00, 0.00) | (-2.43, 3.21) | (0.01, 0.08) | (-0.13, 0.62) | |
| Other religion (1 = yes) | -0.03 | -413.70 | -3.33 | -60.07 |
| (-0.18, 0.12) | (-1996.60, 1169.30) | (-21.67, 15.00) | (-251.40, 131.30) | |
| Other religion × Day | 0.00 | 2.96 | 0.02 | 0.35 |
| (-0.00, 0.00) | (-1.00, 6.92) | (-0.03, 0.08) | (-0.17, 0.88) | |
| No religion (1 = yes) | 0.01 | -62.23 | 2.19 | -30.44 |
| (-0.09, 0.11) | (-1123.20, 998.70) | (-10.16, 14.54) | (-159.00, 98.14) | |
| No religion × Day | 0.00 | -0.66 | -0.01 | 0.02 |
| (-0.00, 0.00) | (-3.51, 2.19) | (-0.04, 0.03) | (-0.36, 0.40) | |
| BMI | 0.01** | -147.70** | 0.50 | 20.37** |
| (0.00, 0.02) | (-250.60, -44.79) | (-0.69, 1.69) | (7.96, 32.78) | |
| BMI × Day | 0.00 | 0.16 | 0.00 | 0.01 |
| (-0.00, 0.00) | (-0.11, 0.43) | (-0.00, 0.01) | (-0.02, 0.05) | |
| Extraversion | 0.09*** | 1221.80*** | 6.98* | 149.80*** |
| (0.05, 0.14) | (762.90, 1680.70) | (1.66, 12.31) | (94.37, 205.30) | |
| Extraversion × Day | -0.00 | -0.64 | -0.00 | -0.11 |
| (-0.00, 0.00) | (-1.82, 0.54) | (-0.02, 0.01) | (-0.27, 0.04) | |
| Agreeableness | 0.02 | 296.00 | 4.02 | 43.13 |
| (-0.03, 0.08) | (-262.20, 854.20) | (-2.49, 10.53) | (-24.56, 110.80) | |
| Agreeableness × Day | -0.00 | -0.17 | -0.01 | -0.10 |
| (-0.00, 0.00) | (-1.68, 1.33) | (-0.03, 0.01) | (-0.30, 0.10) | |
| Conscientiousness | 0.02 | 364.80 | -0.95 | 0.59 |
| (-0.03, 0.07) | (-165.80, 895.50) | (-7.13, 5.23) | (-63.69, 64.87) | |
| Conscientiousness × Day | 0.00 | 0.66 | 0.02 | 0.18 |
| (-0.00, 0.00) | (-0.75, 2.07) | (-0.00, 0.04) | (-0.01, 0.37) | |
| Neuroticism | -0.02 | 678.30* | -1.60 | -22.50 |
| (-0.07, 0.04) | (93.50, 1263.20) | (-8.43, 5.22) | (-93.41, 48.42) | |
| Neuroticism × Day | 0.00 | -1.47 | -0.00 | -0.02 |
| (-0.00, 0.00) | (-2.97, 0.02) | (-0.02, 0.02) | (-0.22, 0.17) | |
| Openness | 0.01 | -274.20 | 1.81 | 0.70 |
| (-0.05, 0.06) | (-826.20, 277.80) | (-4.60, 8.22) | (-66.05, 67.44) | |
| Openness × Day | -0.00 | -0.22 | -0.01 | -0.12 |
| (-0.00, 0.00) | (-1.68, 1.25) | (-0.03, 0.00) | (-0.32, 0.07) | |
| Depression | -0.04 | -32.98 | 1.86 | -52.66 |
| (-0.13, 0.05) | (-934.70, 868.70) | (-8.56, 12.28) | (-160.90, 55.56) | |
| Depression × Day | 0.00 | -0.14 | -0.01 | 0.02 |
| (-0.00, 0.00) | (-2.33, 2.06) | (-0.04, 0.02) | (-0.26, 0.30) | |
| On campus (1 = yes) | 0.03* | 671.90*** | 5.38*** | 40.92** |
| (0.00, 0.06) | (408.80, 935.00) | (2.56, 8.20) | (11.47, 70.37) | |
| Monday to Thursday (1 = yes) | 0.08*** | 966.20*** | 7.43*** | 73.67*** |
| (0.06, 0.09) | (817.30, 1115.00) | (5.80, 9.05) | (56.67, 90.67) | |
| Friday or Saturday (1 = yes) | 0.19*** | 2042.30*** | 18.26*** | 265.10*** |
| (0.17, 0.20) | (1874.50, 2171.30) | (16.40, 19.63) | (245.80, 279.60) | |
| Home football game day (1 = yes) | 0.30*** | 2865.20*** | 34.95*** | 498.80*** |
| (0.27, 0.33) | (2571.40, 3159.00) | (31.68, 38.21) | (464.5, 533.10) | |
| Midterm break (1 = yes) | -0.08*** | -1711.30*** | -12.29*** | -95.48*** |
| (-0.10, -0.06) | (-1940.00, -1482.60) | (-14.75, -9.83) | (-121.30, -69.71) | |
| Winter break (1 = yes) | -0.19*** | -3011.60*** | -22.64*** | -224.20*** |
| (-0.22, -0.16) | (-3352.70, -2670.60) | (-26.24, -19.03) | (-261.90, -186.50) | |
| Summer break (1 = yes) | -0.02 | -1305.20*** | -9.41*** | -28.36 |
| (-0.05, 0.01) | (-1618.20, -992.20) | (-12.76, -6.07) | (-63.35, 6.63) | |
| Thanksgiving holidays (1 = yes) | -0.22*** | -3681.00*** | -27.46*** | -247.50*** |
| (-0.26, -0.19) | (-4035.50, -3326.5) | (-31.34, -23.57) | (-288.20, -206.80) | |
| Easter holidays (1 = yes) | -0.14*** | -2190.90*** | -13.14*** | -196.60*** |
| (-0.18, -0.10) | (-2614.20, -1767.70) | (-17.61, -8.67) | (-243.50, -149.70) | |
| Orientation week (1 = yes) | 0.08*** | 397.30 | 2.38 | 192.70*** |
| (0.03, 0.12) | (-18.92, 813.40) | (-2.46, 7.22) | (145.30, 240.10) | |
| Final exam week (1 = yes) | -0.06*** | -929.90*** | -7.31*** | -47.94*** |
| (-0.08, -0.04) | (-1173.50, -686.40) | (-10.00, -4.61) | (-76.20, -19.67) | |
| Highest temperature (°F) | 0.00*** | 23.68*** | 0.22*** | 2.87*** |
| (0.00, 0.00) | (17.87, 29.49) | (0.15, 0.28) | (2.20, 3.54) | |
| Lowest temperature (°F) | -0.00* | -2.68 | -0.04 | -0.87* |
| (-0.00, -0.00) | (-9.40, 4.04) | (-0.12, 0.03) | (-1.64, -0.09) | |
| Precipitation in inch | -0.00 | -144.60* | -1.28 | -12.68 |
| (-0.01, 0.01) | (-269.20, -19.94) | (-2.63, 0.07) | (-26.76, 1.39) | |
| Snowfall in inch | 0.01* | 59.21* | 0.53 | 9.21** |
| (0.00, 0.01) | (5.86, 112.60) | (-0.06, 1.13) | (2.99, 15.44) | |
| Snow piling depth in inch | 0.00 | 16.55 | 0.45* | 2.65 |
| (-0.00, 0.01) | (-17.82, 50.92) | (0.07, 0.83) | (-1.34, 6.64) | |
| Sleeping minutes | 0.00*** | -5.36*** | 0.00 | 0.18*** |
| (0.00, 0.00) | (-5.69, -5.02) | (-0.00, 0.01) | (0.14, 0.21) | |
| Number of classes | 0.01*** | 278.80*** | 0.59** | 15.40*** |
| (0.00, 0.01) | (238.60, 318.90) | (0.15, 1.03) | (10.78, 20.03) | |
| Intercept | -0.22 | 15519.50*** | 36.14* | 768.30*** |
| (-0.45, 0.01) | (13096.00, 17943.00) | (8.16, 64.12) | (476.90, 1059.80) | |
| Number of cases | 38,821 | 39,334 | 43,580 | 43,671 |
| Number of individuals | 413 | 413 | 419 | 419 |
| Goodness-of-fit | ||||
| AIC | 39232.34 | 768840.40 | 463399.00 | 669602.00 |
| BIC | 39720.64 | 769329.40 | 463893.90 | 670097.00 |
| Wald chi-square/df | 3552.40/52 | 8415.60/52 | 3384.67/52 | 5458.19/52 |
| Log-likelihood | -19559.17 | -384363.18 | -231642.50 | -334744.00 |
*p < 0.05
**p < 0.01
***p < 0.001 (two-tailed tests).