Table 1

Demographic profile of responders

Demographic Feature

Frequency


Age [years]

47.3 ± 10.68

Female

96.8%

Current weight [pounds]

179.5 ± 45.9

Weight at age 18

129.1.5 ± 26.8

Height [inches]

64.7 ± 3.2

Body mass index [BMI]

30.1 ± 7.6

Symptoms < 7 months

0.6 %

7–12 months

1.5%

1–2 years

3.9%

2–4 years

13.1%

> 4 years

75.5%

Race/Ethnicity: Caucasian

91.5%

Afro-American

2.3%

American Indian

3.6%

Hispanic

2.6%

Asian

0.4%

Marital Status: Currently married

64.2%

Never married

11.2%

Divorced

17.4%

Widowed

2.5%

No children

26.5%

Number of Children: One child

16.5%

Two

30.5%

> 3 children

20.9%

Household income: < $9,000

4.9%

$10,000–$19,999

8.7%

$20,000–$29,999

8.8%

$30,000–$39,999

10.6%

$40,000–$49,999

10.4%

$50,000–$59,999

9.8%

$60,000–$69,999

7.5%

$70,000–$79,999

6.2%

$80,000–$89,999

5.2%

$90,000–$99,999

5.1%

$100,000–$199,999

9.7%

> $200,000

1.7%


Bennett et al. BMC Musculoskeletal Disorders 2007 8:27   doi:10.1186/1471-2474-8-27

Open Data