Table 1 Demographic characteristics of professional golfers.
1. Total respondents (n = 1271) | 2. No reported symptoms of yips (n = 821) | 3. Have experienced yips (n = 450) | p value | Effect size (rank-based correlation) | ||||
|---|---|---|---|---|---|---|---|---|
% | n | % | n | % | n | 2 versus 3 | ||
Age | 48.2 ± 9.8 | 1270 | 47.7 ± 10.0 | 820 | 49.0 ± 9.5 | 450 | 0.019 | − 0.08 |
Age group | ||||||||
18–29 | 1% | 15 | 1% | 12 | < 1% | 3 | ||
30–39 | 14% | 176 | 15% | 123 | 12% | 53 | ||
40–49 | 37% | 475 | 38% | 314 | 36% | 161 | ||
50–64 | 41% | 514 | 38% | 312 | 45% | 202 | ||
> 65 | 7% | 91 | 7% | 60 | 7% | 31 | ||
Handedness | ||||||||
Right | 89% | 1133 | 90% | 737 | 88% | 396 | ||
Left | 4% | 50 | 4% | 32 | 4% | 18 | ||
Not responded | 7% | 90 | 6% | 52 | 8% | 38 | ||
Experience | 29.8 ± 9.9 | 29.1 ± 10.0 | 31.2 ± 9.7 | < 0.001 | − 0.13 | |||
Practice hours/month | 2.8 ± 2.9 | 2.8 ± 3.0 | 2.8 ± 2.6 | 0.29 | – | |||
Rounds per year | 47.8 ± 38.4 | 48.5 ± 39.0 | 46.4 ± 37.2 | 0.29 | – | |||
