Table 1 Characteristics of the chondroitin sulphate and glucosamine users in controls.

From: Possible role of chondroitin sulphate and glucosamine for primary prevention of colorectal cancer. Results from the MCC-Spain study

Characteristic

Nonusersa

Users

P-valueb

n

(%)

n

(%)

Age (years)

 26–65

2066

(53.4)

39

(48.8)

 

 65–85

1804

(46.6)

41

(51.3)

0.41

Sex

 Female

1886

(48.7)

46

(57.5)

 

 Male

1984

(51.3)

34

(42.5)

0.12

Smoking

 Non-smoker

1721

(44.5)

42

(52.5)

 

 Former/Current smoker

2149

(55.5)

38

(47.5)

0.15

Alcohol

 Low consumption

3315

(85.7)

66

(82.5)

 

 High consumption

555

(14.3)

14

(17.5)

0.43

BMI at 45-year age

     

 <25kg/m2

2225

(57.5)

54

(67.5)

 

 ≥25kg/m2

1645

(42.5)

26

(32.5)

0.80

Physical activity in leisure time

 No

1623

(41.9)

26

(32.5)

 

 Yes

2247

(58.1)

54

(67.5)

0.09

Vegetables

 ≤200g/day

2564

(66.3)

54

(67.5)

 

 >200g/day

1306

(33.8)

26

(32.5)

0.81

Red meat

 ≤65g/day

2269

(58.6)

52

(65.0)

 

 >65g/day

1601

(41.4)

28

(35.0)

0.25

ASA

 Nonuser/sporadically use

3386

(87.5)

66

(57.5)

 

 Regular use in the last year

484

(12.5)

14

(17.5)

0.19

Non-ASA NSAIDs

 Nonuser/sporadically use

3200

(82.7)

11

(13.8)

 

 Regular use in the last year

670

(17.3)

69

(86.3)

<0.0001

  1. aUser includes sporadically use and regular use.
  2. bP-values derived from a chi-square test.
  3. ASA: acetylsalicylic acid; BMI: body mass index; CRC: colorectal cancer; NSAID: Nonsteroidal anti-inflammatory drugs.