Table 2 Participant characteristics

Gender

 Male

5

 Female

12

Age in years^a (Mean age = 41.2 years, Range: 23–69 years)

 20 - 30

6

 31 - 40

2

 41 - 50

3

 51 - 60

2

 60+

2

Ethnicity

 New Zealand European

10

 Chinese

4

 Others (Indian, Māori, Brazilian)

3

Highest level of education attended

 Tertiary education (college and above)

15

 Secondary school

2

Working status

 Working full time

10

 Working part time

1

 Retired

2

 Student

3

 Unwaged

1

Monthly income (in NZD)^a

 <1000

2

 1001 – 2000

7

 2001 – 4000

2

 4001 – 6000

2

 6000+

2

Have you been taking any prescription medicines in the past one year?

 Yes

16

 No

1