Table 1 Characteristics of study participants (n = 440), results are presented as percentages or means (CI)

Age (years)

14.3 (14.2–14.3)

14.5 (14.4–14.6)

14.3 (14.2–14.3)

0.003

Gender (% girls)

52.3

53.9

51.4

0.60

Ethnicity (% ethnic Norwegian)^b

90.9

82.9

95.3

<0.001

Intake of soft drinks (ml/wk)

680 (620–760)

840 (690–980)

600 (530–680)

0.004

Intake of vegetables (times/wk)

9.4 (8.8–10.0)

8.5 (7.4–9.5)

10.1 (9.3–10.9)

0.021

Perceived accessibility of soft drinks^c

2.40 (2.29–2.51)

2.65 (2.48–2.84)

2.25 (2.10–2.39)

0.001

Perceived rules related to the consumption of soft drinks^c

3.95 (3.83–4.07)

3.68 (3.48–3.89)

4.08 (3.92–4.23)

0.002

Perceived accessibility of vegetables^c

4.02 (3.94–4.10)

3.84 (3.70–3.98)

4.10 (4.00–4.19)

0.001

Perceived rules related to the consumption of vegetables^c

4.47 (4.39–4.56)

4.43 (4.28–4.59)

4.50 (4.40–4.60)

0.50