Estimated percentages of ski helmet rental practices, by ski area location and ski area size; results are row % (95% confidence interval)
| Rent helmets in any capacity* | Rent helmets to both children and adults* (extra fee) | Rent helmets to children only† (extra fee) | Rent helmets as standard equipment to children‡ (no extra fee) | Rent helmets as standard equipment to adults (no extra fee) | Rent helmets in some other capacity* | |
|---|---|---|---|---|---|---|
| *Significant differences (p<0.01) between the five geographic strata and between the four size strata. | ||||||
| †Significant differences (p<0.01) between the five geographic strata. | ||||||
| ‡Significant differences (p<0.05) between the five geographic strata and between the four size strata. | ||||||
| §Sampled with certainty. | ||||||
| Geographic region | ||||||
| South§ | 36.8 | 36.8 | 0 | 0 | 0 | 0 |
| Midwest | 22.6 | 17.9 | 4.8 | 0 | 0 | 0 |
| (18.8 to 27.0) | (14.4 to 21.9) | (3.1 to 7.4) | ||||
| Northeast | 57.4 | 49.5 | 5.0 | 0 | 0 | 3.0 |
| (52.4 to 62.3) | (44.5 to 54.5) | (3.2 to 7.6) | (1.7 to 5.2) | |||
| Rocky Mountains | 70.6 | 60.3 | 10.3 | 0 | 0 | 0 |
| (66.2 to 74.7) | (55.7 to 64.7) | (7.8 to13.5) | ||||
| West | 62.5 | 50.0 | 2.1 | 4.2 | 0 | 6.2 |
| (57.8 to 67.0) | (45.2 to 54.8) | (1.1 to 4.0) | (2.6 to 6.6) | (4.3 to 9.0) | ||
| Ski area size | ||||||
| ⩽50 acres | 25.3 | 20.8 | 4.5 | 0 | 0 | 0 |
| (⩽20.2 hectares) | (20.8 to 30.4) | (16.6 to 25.6) | (2.7 to 7.6) | |||
| 51–150 acres | 40.1 | 31.1 | 5.1 | 1.1 | 0 | 3.0 |
| (20.6–60.7 hectares) | (35.7 to 44.7) | (27.0 to 35.5) | (3.4 to 7.7) | (0.6 to 2.2) | (1.8 to 5.1) | |
| 151–500 acres | 63.4 | 58.8 | 4.5 | 0 | 0 | 0 |
| (61.1–202.3 hectares) | (58.3 to 68.2) | (53.6 to 63.9) | (2.7 to 7.5) | |||
| ⩾501 acres | 74.2 | 62.4 | 7.0 | 1.1 | 0 | 3.6 |
| (⩾202.7 hectares) | (70.4 to 77.6) | (58.3 to 66.4) | (5.2 to 9.4) | (0.6 to 2.2) | (2.3 to 5.7) | |
| Total | 50.5 | 42.6 | 5.3 | 0.6 | 0 | 1.9 |
| (48.2 to 52.7) | (40.4 to 45.0) | (4.3 to 6.6) | (0.4 to 0.9) | (1.3 to 2.7) | ||