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Table 1 Unweighted analysis of recruitment patterns and social network sizes

From: Respondent-driven sampling on the Thailand-Cambodia border. I. Can malaria cases be contained in mobile migrant workers?

 

Cambodian

Myanmar

Variables

M1 * (n = 350) (%)

M2 ** (n = 475) (%)

M1 * (n = 871) (%)

M2 ** (n = 19) (%)

Received coupon from

    

   Friend

17.1

9.3

34.8

21.1

   Spouse

0.6

0.4

2.1

5.3

   Relatives

9.7

2.5

35.7

42.1

   Neighbour

38.0

4.6

17.0

26.3

   Workplace

31.1

77.3

2.5

-

   Employer

1.1

1.3

0.8

-

   Newly met person

5.7

4.4

7.9

5.3

Number of times recruiter seen in past month

    

   Mean

19.5

16.0

16.9

17.8

   Median (IQR)

20 (10-29)

12(10-28)

24(4-28)

28(4-30)

Frequency of seeing recruiter

    

   Daily

51.1

41.7

47.0

57.9

   More than weekly

30.6

38.9

10.7

15.8

   Weekly

10.3

13.1

25.5

15.8

   Monthly

2.0

1.7

7.3

-

   Less than monthly

2.6

1.9

9.1

10.5

Months known recruiter

    

   Mean

30.3

4.3

62.4

77.9

   Median(IQR)

10(4-28)

2(1-3)

36(12-72)

13(5-180)

Relationship with recruiter

    

   Very close

30.3

11.2

28.4

26.3

   Somewhat close

55.4

70.3

49.3

57.9

   Not close

11.1

17.3

21.0

15.8

Reasons for enrollment

    

   Compensation

35.4

59.6

20.9

31.6

   Friend convincing

40.6

44.2

44.3

47.4

   Interested in study

23.1

13.5

26.2

5.3

   Have free time

6.6

0.8

10.1

5.3

   Other

-

-

3.1

15.8

Number of labourers from your country aged > 15 in this village (perceived)

    

   Mean

78.0

16.2

26.3

11.4

   Median(IQR)

40(15-100)

10(8-15)

15(7-30)

10(3-15)

Of those above, number known personally

    

   Mean

41.4

11.0

17.7

10.5

   Median(IQR)

21(11-42)

10(7-14)

10(6-20)

8(3-10)

Of those above, number seen in past 30 days

    

Total

    

   Mean

30.9

11.4

13.7

8.7

   Median(IQR)

20(10-32)

10(7-14)

10(6-20)

7(3-10)

Male

    

   Mean

16.3

7.0

8.6

5.7

   Median(IQR)

10(5-18)

6(4-9)

6(4-10)

5(3-6)

Female

    

   Mean

16.0

4.7

6.6

4.4

   Median(IQR)

10(4-19)

4(2-5)

5(3-9)

4(2-5)

Number attempted to recruit

    

   Mean

4.6

4.6

4.0

3.1

   Median(IQR)

3(3-3)

3(3-5)

3(3-3)

3(3-3)

  1. IQR: Interquartile range
  2. * Has lived in Thailand for 6 or more months; ** Has lived in Thailand for less than 6 months