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Table 1 Participant characteristics for study sample (mean and SD unless otherwise stated)

From: Self-reported sleep quality, weight status and depression in young adult twins and siblings

 

N (%)

Mean (SD)

Age (years)

-

20.36 (1.78)

Sex (n;%)

 Male

528 (38)

-

 Female

864 (62)

-

Education

  

 Up to GCSE or GNVQ

225 (16.3)

-

 AS-level or A-level

702 (50.9)

-

 Above A-level

453 (32.8)

-

Smoking

 Yes

278 (20)

-

 Given up

135 (10)

-

 Never

977 (70)

-

Alcohol intake

 Up to twice a month

436 (32.9)

-

 Once or twice a week

621 (46.8)

-

  More than twice a week

269 (20.3)

-

Weight status

 Underweight (BMI: 16–18.5)

123 (8.8)

-

 Healthy weight (BMI: 18.5–29.9)

1000 (71.8)

-

 Overweight (BMI: 25–29.9)

200 (14.4)

-

 Obese (BMI: 30–39.9)

69 (5.0)

-

Sleep qualitya*

-

5.71 (3.01)

Depressionb*

-

6.43 (5.71)

Anixetyc*

-

25.05 (14.74)

General healthd*

-

2.33 (0.97)

  1. aSleep quality was assessed using the sum score from the Pittsburgh Sleep Quality Index. [38] bDepression symptoms were measured using the Short Moods and Feelings Questionnaire.[26] cAnxiety symptoms were measured using the Revised Symptoms of Anxiety Scale.[7] dGeneral health was measured using a single, self-report item. *Higher scores for sleep quality, depression, anxiety and general health indicate poorer sleep quality, greater number of depression symptoms, greater number of anxiety symptoms and poorer health, respectively
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BMC Obesity

ISSN: 2052-9538

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