Table 1 Sample Characteristics

Age in years

38.19

9.42

Gender: Male

25 (16.9)

–

Ethnic Group: White/ Caucasian

129 (87.2)

–

Ethnic Group: Black/African/Caribbean/Black British

1 (0.7)

–

Ethnic Group: Asian/ Asian British

11 (7.4)

–

Ethnic Group: Other

7 (4.7)

–

Operating System IoS

89 (58.9)

–

Highest level of education: Highschool

8 (5.4)

–

Highest level of education: College - A levels

26 (17.6)

–

Highest level of education: University - graduate

61 (41.2)

–

Highest level of education: University -postgrad

35 (23.6)

–

Highest level of education: University doctoral

18 (12.2)

–

Total Physical Activity (MET)^a

1823.72

3604.92

Total Physical Activity (log x + 1)

2.93

0.57

Sleep Quality (PSQI) Total score

6.8

2.31

Life Satisfaction

7.86

1.45

Positive Affect

3.46

0.79

Negative Affect

1.89

0.74