Table 1 Distribution of students by bedtime habit frequency response of "often" and by performance.
From: "Sleepiness" is serious in adolescence: Two surveys of 3235 Canadian students
| Â | Â | Hamilton Wentworth | Grand Erie | ||
|---|---|---|---|---|---|
| Â | Â | All n(%) | ESS =>10 | All n(%) | ESS =>10 |
n | Â | 2201 | 900 | 1034 | 433 |
Gender | M | 1177 (53.5) | 462 (51.3) | 467 (45.2%) | 189 (43.6) |
| Â | F | 1024 (46.5) | 438 (48.7) | 567 (54.8%) | 244 (56.4) |
Bedtime habit | Â | Â | Â | Â | |
Consistent pattern | Â | 627 (28.5) | 208 (23.1) | 299 (28.9) | 87 (20.1) |
Up late to study | Â | 287 (13.0) | 145 (16.1) | 132 (12.8) | 73 (16.9) |
Caffeine after 6 P.M. | Â | 774 (35.2) | 331 (36.7) | 432 (41.8) | 200 (46.2) |
Smoke before bed | Â | 301 (13.7) | 152 (16.9) | 115 (11.1) | 70 (16.2) |
Eat before bed | Â | 577 (26.2) | 264 (29.3) | 285 (27.6) | 154 (35.7) |
Performance | Â | Â | Â | Â | |
Grades down | Â | 501 (22.7) | 302 (33.5) | 252 (24.4) | 154 (36.7) |
Late past month | Â | 1037 (47.1) | 504 (55.9) | 404 (39.1) | 228 (52.7) |
Extremely sleep at school | Â | 245 (13.4) | 205 (22.8) | 149 (14.4) | 108 (24.9) |
Decreased activities | Â | 373 (16.9) | 235 (26.1) | 188 (18.2) | 126 (29.1) |
Miss social sports | Â | 434 (19.9) | 270 (30.0) | 218 (21.1) | 138 (31.4) |