Table 1

Participant characteristics in each arm of the study

Benefit descriptionAbsoluteRelative
Harm descriptionAbsoluteRelativeAbsoluteRelativeTotal
n999398103393
Age, years (SD)63.0(9.1)61.5(8.7)62.1 (8.1)65.7(8.3)63.1 (8.7)
Weight, kg (SD)69.3(12.5)72.6(17.6)71.9(15)73.7(16.1)71.9(15.4)
Height, cm (SD)160.5(12.3)161.5(6.6)161.4(7.1)161.1 (6.9)161.1 (8.5)
Previous diagnosis of osteoporosis (%)5(5.1)3 (3.2)2 (2.0)7 (6.8)17(4.3)
Fracture history
 Personal (%)14 (14.1)14 (15.1)12 (12.2)17 (16.5)57 (14.5)
 Family history of hip fracture (%)13 (13.1)19 (20.4)13 (13.3)14 (13.6)59 (15.0)
10-year hip fracture risk, %1.20.71.72.62.6
 Median (interquartile range)2.3 (0.4–2.7)2.1 (0.4–2.5)1.6 (0.5–2.1)2.8 (0.7–3.5)2.2 (0.5–2.7)
Self-reported risk
 Unlikely (%)83 (83.8)70 (75.3)87 (88.8)81 (78.6)321 (81.7)
 Likely (%)16 (16.2)23 (24.7)11 (11.2)22 (21.4)72 (18.3)
Ethnicity
 European (%)79 (79.8)78 (83.9)90 (91.8)94 (91.3)341 (86.8)
 Mãori (%)8 (8.1)6 (6.5)7 (7.1)6 (5.8)27 (6.9)
 Other (%)18 (18.2)16 (17.2)8 (8.2)12 (11.7)54 (13.7)
Education
 School only/none (%)45 (45.5)48 (51.6)52 (53.1)49 (47.6)194 (49.4)
 Tertiary (%)35 (35.4)28 (30.1)32 (32.7)38 (36.9)133 (33.8)
 Degree (%)19 (19.2)17 (18.3)14 (14.3)16 (15.5)66 (16.8)
  • 10-year hip fracture risk is right skewed (skewness 3.2), median, (interquartile range), [Q2–Q3] are reported. Differences in age, European ethnicity, and calculated 10-year hip fracture risk were small but statistically significant.