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Table 3 Participant characteristics by treatment compliance* among participants who completed the crossover tea study

From: A six-month crossover chemoprevention clinical trial of tea in smokers and non-smokers: methodological issues in a feasibility study

Characteristic

Compliant (N = 23)

Non-compliant (N = 9)

 

(%)

(%)

Age, mean (SD)

35 (11)

28 (10)

Male

48

33

Race/Ethnicity

  

 White

44

44

 African-American

13

-

 Hispanic

4

11

 Asian

35

44

 Other

4

-

Smoking status

  

 Current

39

22

 Former

4

11

 Never

57

67

Regular alcohol intake

22

33

Regular tea intake

44

33

Regular coffee intake

59

33

Regular carbonated beverages intake

36

22

Fruit/vegetable servings/day, mean (SD)

2.4 (1.4)

2.4 (1.0)

BMI, mean (SD)

24.9 (3.6)

22.1 (2.8)

  1. a P value <0.05 for comparison between “compliant” and “non-compliant”.
  2. b 0.05 ≤ P value < 0.10 for comparison between “compliant” and “non-compliant”.
  3. c 0.10 ≤ P value < 0.15 for comparison between “compliant” and “non-compliant”.
  4. * Treatment non-compliance defined as consumption of <85% of the packets provided for at least one of the four treatments.
  5. Regular intake <2 servings per day. Participants reporting ≥2 servings per day consumption of tea, coffee, carbonated beverages, or alcohol were excluded from the trial.