Table 1 Number of participants and recent fractures included in the analyses, and the mean age of these participants

Year	Group	Sex			Mean age (years)		No. respondents reporting ⩾1 fracture in past year	No. respondents experiencing multiple fracture episodes in past year	No. respondents who broke ⩾1 bone in an episode
Year	Group	Male	Female	All	Unweighted	Weighted by interview weight	No. respondents reporting ⩾1 fracture in past year		No. respondents who broke ⩾1 bone in an episode
2002	General population	8642	9751	18 393	25.6	38.3	710	84	43
2003	General population	8458	10 088	18 546	40.1	40.1	613	42	44
2004	General population	3728	4626	8354	41.1	41.1	308*	21	19
2004	Ethnic minority boost	4748	5363	10 111	29.6	31.4	207	Not collected	Not collected
Analysis 1	General population 2002–2004	20 828	24 465	45 293	34.4	39.1	1631*	147	106
Analysis 2	General population 2004 and ethnic minority boost 2004	8476	9989	18 465	34.8	37.9	514*	Not collected	Not collected

*A total of 26 of these individuals provided incomplete information on fracture site and are therefore excluded from any site-specific analyses.