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Table 3 Raw daily estimates of obesogenic behaviors by group and condition

From: The impact of summer vacation on children’s obesogenic behaviors and body mass index: a natural experiment

    Condition 1 Condition 2 Condition 3
Construct Behavior School Type Mean (SD) Difference p-valuea Mean (SD) Difference p-valuea Mean (SD) Difference p-valuea
Physical Activity Sedentary minutes Traditional 367.3 (227.3) −25.3 0.81 395 (263.9) −13.5 0.09 394.2 (250.7) −48.4 0.11
Year-round 392.6 (227.5)    408.5 (227.2)    442.6 (247.2)   
LPA Minutes Traditional 505.1 (159.7) 12.7 0.83 491.7 (157.8) 1.1 0.15 − 483.5 (147.7) −50.6 0.13
Year-round 492.4 (151.7)    490.6 (163.5)    − 432.9 (146.1)   
MVPA minutes Traditional 62.5 (50.3) −2.1 0.24 84.5 (81.3) 2.4 0.24 91.6 (102.7) 16.9 0.44
Year-round 64.6 (54.8)    82.1 (98.3)    74.7 (79.2)   
Screen Time Screen Time minutes Traditional 92.6 (85.7) −11 0.30 134.8 (114.9) 18.5 0.09 138.2 (107.8) −28.6 0.04
Year-round 103.6 (84.4)    116.3 (101.1)    166.8 (133.9)   
Diet Unhealthy Foods Traditional 2.72 (1.76) −0.25 0.52 2.96 (1.77) −0.14 0.23 3.03 (1.76) −0.02 0.79
Year-round 2.97 (1.79)    3.1 (1.86)    3.05 (1.68)   
Healthy Foods Traditional 1.47 (1.04) −0.08 0.54 1.52 (1.07) 0.1 0.52 1.54 (1.04) 0.2 0.11
Year-round 1.55 (1.05)    1.42 (1.06)    1.34 (1.03)   
Sleep Sleep minutes Traditional 467.7 (67.6) −4.9 0.44 486 (92.3) 17.5 0.17 489.9 (87.6) 3.4 0.55
Year-round 472.6 (69.6)    468.5 (69.5)    486.5 (94.0)   
Sleep Onset Traditional 22:03:15 (72:26) 0:49 0.58 23:08:20 (104:43) 0:54:49 < 0.00 23:23:20 (103:09) −0:28:19 0.06
Year-round 22:02:26 (71:27)    22:13:19 (73:51)    23:51:39 (104:15)   
Sleep Offset Traditional 6:22:45 (39:13) −1:51 0.94 7:53:19 (94:18) 1:20:00 < 0.00 8:11:40 (99:29) −0:21:39 0.00
Year-round 6:24:36 (43:11)    6:33:19 (55:28)    8:33:19 (103:15)   
Sleep Midpoint Traditional 2:12:32 (46:39) −1:24 0.78 3:33:20 (98:35) 1:10:04 < 0.00 3:48:20 (90:38) −0:23:20 0.01
Year-round 2:13:56 (46:36)    2:23:16 (53:41)    4:11:40 (90:39)   
Sleep Efficiency Traditional 93.9 (5.2) −0.3 0.76 92.8 (6.7) −1.1 0.15 93 (6.7) −0.4 0.58
Year-round 94.2 (3.2)    93.9 (3.1)    93.4 (3.0)   
  1. aBased on multilevel mixed effects linear regression
  2. Bolded text represents statistically significant point estimates at Benjamini-Hochberg critical value of ≤0.05 with a 10% false discovery rate
  3. Abbreviations “MVPA” Moderate to vigorous physical activity, “LPA” Light physical activity
  4. Condition 1 = Both traditional and year-round students attend school
  5. Condition 2 = Traditional students are on summer vacation from school while year-round students are attending school
  6. Condition 3 = Both traditional and year-round students are on summer vacation from school