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Table 5 Relationship between lifestyle factors and distorted body image (overestimation) among girls (Japan; 2005–2009)

From: The relationship between distorted body image and lifestyle among Japanese adolescents: a population-based study

 

Body image perception, n(%)

Adjusteda OR (95 % CI)

P-value

 

Correct

Overestimated

Exercise

    

  Daily

343 (60.0)

81 (52.9)

0.87 (0.58–1.32)

0.523

  Sometimes

68 (11.9)

28 (18.3)

1.51 (0.87–2.62)

0.147

  Never

161 (28.1)

44 (28.8)

1.00

 

Snacking after dinner

    

  Yes

276 (47.8)

90 (58.4)

1.53 (1.07–2.19)

0.021

  No

302 (52.2)

64 (41.6)

1.00

 

Skipping breakfast

    

  No

548 (93.4)

147 (95.5)

1.00

 

  Yes

39 (6.6)

7 (4.5)

0.67 (0.30–1.54)

0.347

Wakeup time

    

  Before 6:30

318 (55.8)

89 (59.7)

1.00

 

  6:30–6:59

90 (15.8)

25 (16.8)

0.98 (0.60–1.63)

0.950

  After 7:00

162 (28.4)

35 (23.5)

0.76 (0.49–1.17)

0.215

Bedtime

    

  Before 22:00

36 (6.7)

8 (5.8)

1.00

 

  22:00–22:59

262 (48.4)

66 (47.8)

1.12 (0.50–2.54)

0.780

  After 23:00

243 (44.9)

64 (46.4)

1.15 (0.51–2.60)

0.738

Hours of sleep

    

   < 8

176 (32.8)

49 (35.8)

1.00

 

  8–9

288 (53.7)

72 (52.6)

0.92 (0.61–1.38)

0.672

  9+

72 (13.4)

16 (11.7)

0.82 (0.44–1.55)

0.544

  1. OR, odds ratio; 95 % CI, 95 % confidence interval
  2. aAge and body mass index were adjusted in a logistic regression analysis