Table 1

Distribution of students by bedtime habit frequency response of "often" and by performance.

Hamilton Wentworth

Grand Erie


All n(%)

ESS =>10

All n(%)

ESS =>10


n

2201

900

1034

433


Gender

M

1177 (53.5)

462 (51.3)

467 (45.2%)

189 (43.6)

F

1024 (46.5)

438 (48.7)

567 (54.8%)

244 (56.4)

Bedtime habit

Consistent pattern

627 (28.5)

208 (23.1)

299 (28.9)

87 (20.1)

Up late to study

287 (13.0)

145 (16.1)

132 (12.8)

73 (16.9)

Caffeine after 6 P.M.

774 (35.2)

331 (36.7)

432 (41.8)

200 (46.2)

Smoke before bed

301 (13.7)

152 (16.9)

115 (11.1)

70 (16.2)

Eat before bed

577 (26.2)

264 (29.3)

285 (27.6)

154 (35.7)

Performance

Grades down

501 (22.7)

302 (33.5)

252 (24.4)

154 (36.7)

Late past month

1037 (47.1)

504 (55.9)

404 (39.1)

228 (52.7)

Extremely sleep at school

245 (13.4)

205 (22.8)

149 (14.4)

108 (24.9)

Decreased activities

373 (16.9)

235 (26.1)

188 (18.2)

126 (29.1)

Miss social sports

434 (19.9)

270 (30.0)

218 (21.1)

138 (31.4)


Gibson et al. BMC Public Health 2006 6:116   doi:10.1186/1471-2458-6-116

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