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Table 1 Demographics of participants at the Kidskin Study baseline and in the KYAMS

From: Re-engaging an inactive cohort of young adults: evaluating recruitment for the Kidskin Young Adult Myopia Study

Demographics

Kidskin Study (n = 1695)

KYAMS (n = 303)

pa

Sex

  

< 0.001

 Male

854 (51.5%)

116 (38.5%)

 

 Female

803 (48.5%)

185 (61.5%)

 

Intervention Group

  

0.002

 Control

753 (45.4%)

101 (33.6%)

 

 Moderate

397 (23.9%)

90 (29.9%)

 

 High

510 (30.7%)

110 (36.5%)

 

Highest Parental Education

  

0.005

 Non-tertiary

1019 (62.2%)

160 (53.5%)

 

 Tertiary

618 (37.8%)

139 (46.5%)

 

European ancestry

  

0.07

 No

181 (10.9%)

22 (7.3%)

 

 Yes

1479 (89.1%)

279 (92.7%)

 

Sunburn after sun exposureb

  

0.94

 Get severe sunburn with blistering

198 (12.0%)

36 (12.0%)

 

 Have painful sunburn

695 (42.2%)

132 (44.0%)

 

 Get mildly burnt

661 (40.1%)

115 (38.3%)

 

 Not get sunburnt at all

93 (5.6%)

17 (5.7%)

 

Tanning after sun exposurec

  

0.07

 Very tanned

584 (35.4%)

84 (28.0%)

 

 Moderately tanned

677 (41.1%)

144 (48.0%)

 

 Lightly tanned

339 (20.6%)

64 (21.3%)

 

 No suntan at all

48 (2.9%)

8 (2.7%)

 
  1. a Pearson Chi Square test
  2. b Parent-reported sunburn after spending 30 min in the sun in the middle of the day for the first time in summer without wearing sunscreen
  3. c Parent-reported sun tanning at the end of summer after spending short periods of time in the sun every day over summer without sunscreen