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. 2017 May 18;22:47. doi: 10.1186/s12199-017-0657-0

Table 1.

PI and SB by independent variables

Independent variable Total n (%) Physical inactivity (<5 days/weeks) Sedentary behavior
(≥3 h or more)
Boys, no. (%) Girls, no. (%) Boys, no. (%) Girls, no. (%)
Demographic/biological
 Age in years
  14–15 220 (28.8) 74 (77.9) 103 (82.4) 29 (30.5) 66 (52.8)
  16–17 347 (45.4) 100 (65.4) 173 (89.2) 60 (39.2) 65 (33.5)
  18–19 197 (25.8) 79 (72.5) 78 (88.6) 31 (28.4) 28 (31.8)
 Education level of parents
  Illiterate mother (reference = educated) 286 (37.4) 106 (70.7) 120 (88.2) 39 (26.0) 44 (32.4)
  Illiterate father (reference = educated) 102 (13.4) 38 (70.4) 38 (79.2) 13 (24.1) 14 (29.2)
 Perceived family income
  Lower 76 (9.9) 31 (66.0) 26 (89.7) 9 (19.1) 11 (37.9)
  Average 580 (75.9) 193 (72.8) 270 (85.7) 95 (35.8) 127 (40.3)
  Higher 108 (14.1) 29 (64.4) 58 (92.1) 16 (35.6) 21 (33.3)
 Being hunger (sometimes/mostly/always) 129 (16.9) 65 (84.4) 47 (90.4) 19 (24.7) 19 (36.5)
Psychological
 Loneliness (mostly/always) 180 (23.6) 43 (67.2) 103 (88.8) 19 (29.7) 57 (49.1)
 Anxiety (mostly/always) 167 (21.9) 47 (65.3) 86 (90.5) 24 (33.3) 45 (47.4)
 Suicidal ideation (reference = no) 120 (15.7) 27 (55.1) 62 (87.3) 23 (46.9) 38 (53.5)
 No close friends (reference = 1 friend or more) 69 (9.0) 22 (71.0) 35 (92.1) 10 (32.3) 10 (26.3)
Behavioral
 Skipping breakfast (reference = sometimes/mostly/always) 162 (21.2) 40 (72.7) 91 (85.0) 20 (36.4) 53 (49.5)
 Inadequate fruit consumption (<2 servings) 341 (44.6) 133 (71.9) 139 (89.1) 59 (31.9) 50 (32.1)
 Inadequate vegetable consumption (<3 servings) 506 (66.2) 174 (77.0) 244 (87.1) 65 (28.8) 101 (36.1)
 Not walking or biking to school (less than 5 days) 224 (29.3) 78 (75.0) 107 (89.2) 39 (37.5) 37 (30.8)
 No attendance of physical education (2 or more times) 113 (14.8) 44 (84.6) 54 (88.5) 21 (40.4) 22 (36.1)
 Physical fight (1 or more times) 261 (34.2) 128 (71.5) 72 (87.8) 70 (39.1) 46 (56.1)
 Smoking (1 or more times during) 124 (16.2) 80 (72.7) 13 (92.9) 43 (39.1) 8 (57.1)
 Alcohol/illicit drug use (reference = 0 time) 88 (11.5) 50 (65.8) 10 (83.3) 30 (39.5) 7 (58.3)
 Absenteeism (reference = 0 day) 325 (42.5) 134 (71.3) 122 (89.1) 76 (40.4) 74 (54.0)
Social
 Lack of peer support in school (reference = mostly/always) 500 (65.4) 160 (70.8) 243 (88.7) 69 (30.5) 101 (36.9)
 Lack of parental supervision (reference = mostly/always) 474 (62.0) 161 (71.6) 224 (90.0) 72 (32.0) 90 (36.1)
 Lack of parental connectivity (reference = mostly/always) 572 (74.9) 194 (69.8) 255 (86.7) 96 (34.5) 120 (40.8)
 Lack of parental bonding (reference = mostly/always) 511 (66.9) 184 (71.3) 226 (89.3) 86 (33.3) 93 (36.8)
 Bullied (1 day or more) 176 (23.0) 19 (73.1) 132 (88.0) 8 (30.8) 73 (48.7)