Table 1 Characteristics of study participants randomised at baseline (n = 247) comparing dietary feedback and text messages, dietary feedback only and control group
|  | Feedback + Text (n = 82) | Feedback only (n = 83) | Control (n = 82) |
|---|---|---|---|
Men | 29 | 28 | 28 |
Women | 53 | 55 | 54 |
Mean ± SD | |||
 Age (years) | 24.2 ± 3.2 | 23.7 ± 3.4 | 25.0 ± 3.5 |
 Height (cm) | 168.8 ± 10.1 | 168.9 ± 9.1 | 170.9 ± 8.8 |
 Weight (kg) | 67.9 ± 14.1 | 70.4 ± 17.7 | 71.9 ± 17.6 |
 Body Mass Index (kg/m2) | 23.8 ± 4.1 | 24.7 ± 6.2 | 24.6 ± 5.6 |
BMI category (%) | |||
 Underweight < 18.5 (kg/m2) | 11.0 | 12.0 | 4.9 |
 Healthy weight 18 .5–24.9 (kg/m2) | 58.5 | 50.6 | 65.9 |
 Overweight 25–29.9 (kg/m2) | 20.7 | 25.3 | 13.4 |
 Obese ≥ 30(kg/m2) | 9.8 | 12.0 | 15.9 |
Ethnicity (%) | |||
 White | 76.8 | 77.1 | 78.0 |
 Aboriginal | 0.0 | 1.2 | 3.7 |
 Asian | 23.2 | 12.0 | 14.6 |
 Pacific Islander | 0.0 | 0.0 | 0.0 |
 Black | 0.0 | 1.2 | 0.0 |
 Mixed race | 0.0 | 7.2 | 3.7 |
Level of Education (%) | |||
 Year 12 or lower | 31.7 | 41.0 | 35.4 |
 Trade or diploma | 25.6 | 27.7 | 19.5 |
 Bachelor degree or higher | 42.7 | 31.3 | 45.1 |
Alcohol status (%) | |||
 Never drink alcohol | 14.8 | 14.5 | 8.5 |
 1–4 times a month | 59.3 | 54.2 | 62.2 |
 2 or more times a week | 25.9 | 31.3 | 29.3 |
Smoking status (%) | |||
 Never smoked | 65.4 | 69.9 | 70.7 |
 Former smoker | 28.4 | 26.5 | 23.2 |
 Current smoker | 6.2 | 3.6 | 6.1 |
Physical Activity mean ± SD | |||
 Total MET minutes per week | 2814 ± 2876 | 2926 ± 3073 | 3155 ± 2844 |
Importance of eating a healthy diet mean ± SDb | |||
 Score | 7.6 ± 1.6 | 7.3 ± 1.6 | 7.8 ± 1.5 |
Food group servings (mean daily serves ± SD)a | |||
 Fruit serves (150 g) | 1.1 ± 1.1 | 1.0 ± 1.1 | 0.9 ± 0.8 |
 Vegetable serves (75 g) | 2.0 ± 1.0 | 1.7 ± 0.9 | 1.9 ± 1.1 |
 EDNP food serves | 3.1 ± 1.5 | 3.3 ± 1.8 | 3.1 ± 1.7 |
 EDNP (sugar-sweetened) beverages | 0.5 ± 0.6 | 0.5 ± 0.7 | 0.4 ± 0.5 |
 Alcohol serves | 0.6 ± 0.8 | 0.7 ± 1.3 | 0.5 ± 0.7 |
 Total EDNP food & beverages | 4.2 ± 1.9 | 4.5 ± 2.7 | 4.0 ± 2.1 |