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Table 1 Participant characteristics

From: Joint pain and osteoarthritis in former recreational and elite cricketers

Characteristics All former cricketers (n = 846) Former cricketers with joint pain
(n = 404)
Former cricketers without joint pain
(n = 431)
Age, years 62 (54–69) 63 (55–70) 62 (54–69)
Body mass index, kg/m2 27.94 (25.26–30.74) 28.48 (25.83–31.40) 27.54 (24.68–30.09)
Sex
 Female 24 (3%) 13 (3%) 10 (2%)
 Male 815 (97%) 387 (97%) 418 (97%)
 Other / Don’t wish to disclose 2 (0%) 1 (0%) 1 (0%)
Cricket-related injury 355 (43%) 193 (49%) 160 (38%)
Main playing position
 Bowler 180 (23%) 98 (26%) 81 (20%)
 Wicketkeeper-batter 124 (16%) 53 (14%) 71 (18%)
 All-rounder 311 (39%) 165 (43%) 140 (35%)
 Batter 183 (23%) 66 (17%) 113 (28%)
Playing standard
 Elite standard 318 (38%) 165 (42%) 149 (35%)
 Recreational standard 511 (62%) 232 (58%) 274 (65%)
Length of play, seasons 33 (21–41) 35 (25–42) 31 (20–40)
Years since retirement from cricket, years 10 (3–18) 10 (3–18) 8 (3–18)
Retirement reasons
 Due to chronic pain or injury 317 (37%) 221 (55%) 93 (22%)
 Personal or family-related reasons 224 (26%) 91 (23%) 125 (29%)
 No longer good at it / or no longer enjoyed it 187 (22%) 83 (21%) 101 (23%)
 Age 345 (41%) 170 (42%) 171 (40%)
 Lack of time or work related commitments 203 (24%) 90 (22%) 111 (26%)
 To focus on another sport/ exercise 57 (7%) 21 (5%) 35 (8%)
 Didn’t get along with team mates or coach 7 (1%) 3 (1%) 4 (1%)
 Other 109 (13%) 44 (11%) 63 (15%)
Smoker
 Yes 50 (6%) 24 (6%) 26 (6%)
 No 616 (73%) 277 (69%) 328 (77%)
 Ex-smoker 174 (21%) 100 (25%) 74 (17%)
Employment status
 Full-time 346 (41%) 151 (37%) 189 (45%)
 Part-time/casual 93 (11%) 41 (10%) 51 (12%)
 Student 1 (0%) 1 (0%) 0 (0%)
 Stay at home parent/carer 8 (1%) 5 (1%) 3 (1%)
 Retired 385 (46%) 204 (50%) 177 (42%)
 Unempleyed 6 (1%) 2 (0%) 4 (1%)
Education
 GCSE/O level/A level 241 (29%) 114 (29%) 124 (29%)
 Further/Higher education 551 (66%) 257 (65%) 287 (67%)
 Other 45 (5%) 27 (7%) 17 (4%)
  1. • All values are presented as count (proportion) or median (interquartile range);
  2. • All the available data for the participant demographics were reported with the missing data in each variable excluded, for instance, 11 participants with missing joint-pain data were excluded from the subgroups of former cricketers with and without joint pain;
  3. • ‘Joint pain’: ‘Have you had pain in your hip/groin, knee, ankle, shoulder, hand/finger, spine/back, or other joint(s) on most days of the last month?’;
  4. • ‘Main playing position’: ‘What is/was your predominant position(s) of play?’ Multiple positions could be selected so this was recoded into mutually exclusive categories: ‘batter’ (only ‘Batter’ selected); ‘bowler’ (only ‘Bowler’ selected); ‘all-rounder’ (‘All-rounder’ and/or both ‘Batter’ and ‘Bowler’ were selected); ‘wicketkeeper-batter’ (only ‘Wicketkeeper’ or both ‘Wicketkeeper’ and ‘Batter’ were selected); other combinations of playing positions (e.g. ‘Wicketkeeper’ and ‘Bowler’) (n = 34) were excluded;
  5. • All values are presented as count (proportion) or median (interquartile range);
  6. • ‘Playing standard’: ‘What was the highest standard of cricket that you played for at least one season?’ Responses were dichotomised into ‘elite standard’ (‘International’, ‘County or premier league’, or ‘Academy or county age group’) and ‘recreational standard’ (‘University’, ‘School’, or ‘Village or social’);
  7. • ‘Length of play’: ‘Approximately how many seasons have you played cricket for?
  8. • ‘Cricket-related injury’: ‘Have you ever had any cricket-related injuries leading to more than 4 weeks of reduced participation in exercise, training or sport?’ If yes, indicate where (hip/groin, knee, ankle, shoulder, hand/finger, spine/back, other joint(s)).