Frequency

%

Age at starting cannabis use:

10 - 19 years

20 - 29 years

30 years or more

49

44

03

51

45.8

03.1

Duration of using cannabis

Less than 5 years

5 - 10 years

More than 10 years

86

07

03

89.6%

7.3

3.1

Cannabis use preceding psychiatric symptoms:

Yes

No

17

79

17.7

82.3

Increasing amount of smoked cannabis

Yes

No

34

62

35.4

64.6

Effect of cannabis on daily activities

Yes

No

55

41

57.3

42.7

Desire to continue using cannabis

Yes

No

15

81

15.6

84.4

History of withdrawal symptoms

Yes

No

40

56

41.7

58.3

Trials to quit:

Never

Once

2-3 trials

More than 3 trials

7

55

29

5

7.3

57.3

30.2

5.2

Barriers to quit

Boredom

Stress and anxiety

Habituation

Other psychological symptoms

37

32

18

9

38.5

33.3

18.8

9.4