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Table 2 Mobility patterns of migrant workers from Cambodia and Myanmar, RDS-weighted

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

Variables

Cambodian

Myanmar

 

M1 * (n = 350) (%)

M2 ** (n = 475) (%)

M1 * (n = 871) (%)

M2 ** (n = 19) (%)

Duration of stay in Thailand (months)

    

   Mean

61.5

2.6

86.8

4.5

   Median(IQR)

23(12-60)

2(1-3)

72(33-113)

4 (3-5)

Border crossing assistance

    

   None - by self

49.0% (42.1-56.8)

34.8% (30.9-39.7)

45.2% (41.0-48.7)

33.6% (9.6-58.6)

   Broker

1.0% (0.1-2.2)

1.1% (0.2-2.0)

32.2% (28.3-36.3)

41.4% (10.7-67.6)

   Relative

18.6% (13.1-22.3)

10% (7.3-12.8)

18.8% (16.1-21.4)

25.9% (8.5-50.7)

   Friend

15.5% (10.9-20.2)

10.7% (8.3-13.3)

2.9% (1.7-4.3)

---

   Employer

26.8% (18.9-35.9)

56.5% (50.2-61.8)

0.1% (0.0-0.3)

---

   Other

2.4% (1.1-3.3)

0.1% (0.0-0.2)

9.6% (6.6-12.7)

---

Paid money upfront to enter

36.3% (30.6-46.5)

52.9% (46.0-58.3)

58.2% (54.1-62.2)

76.3% (50.7-100)

Province of residence before here same as birthplace

87.5% (82.9-92.0)

90.8% (87.5-94.1)

70.6% (66.6-74.6)

85.7% (67.9-100)

Return to home country

    

   ≥ once per week

0.5% (0.0-0.3)

1.3% (0.3-1.9)

---

---

   ≥ once per month

4.1% (1.2-6.2)

4.2% (2.5-6.0)

---

---

   Every 2-3 months

20.6% (12.9-24.7)

32.0% (26.5-36.0)

---

---

   Every 6 months

15.6% (10.9-20.4)

26.1% (20.2-29.6)

0.1%(0.0-0.6)

---

   Once per year

23.1% (17.6-32.9)

---

2.1%(1.2-3.3)

---

   < once per year

5.7% (3.3-9.3)

---

5.3% (3.8-7.2)

---

   < once per 5 years

1.6% (0.3-2.6)

---

7.3% (5.5-9.1)

---

   Have not been back

28.7% (23.9-37.1)

35.5% (32.0-44.2)

85.2% (82.1-87.8)

100%

Reasons for returning

    

   Visit friends/family

35.5% (29.4-41.8)

23.9% (19.6-27.2)

22.5% (19.3-25.7)

---

   Traditional / national holiday

26.6% (22.2-41.0)

51.5% (13.8-56.1)

1.3% (0.402.4)

---

   Family event

3.4% (1.4-5.4)

2.2% (0.6-4.2)

0.2% (0.0-0.5)

---

   Work

3.7% (1.3-6.7)

1.9% (0.3-3.9)

---

---

   Buying/selling (market)

---

---

---

---

   Other

5.7% (0.3-8.5)

1.2% (0.2-2.2)

5.3% (3.7-7.2)

---

Transportation mechanism

    

   Bus

8.6% (6.0-11.6)

0.6% (0.1-1.5)

12.3% (10.5-15.2)

---

   Taxi

4.8% (1.0-9.0)

0.3% (0.0-0.8)

---

---

   Personal vehicle

30.1% (20.3-43.4)

58.7% (48.5-66.6)

0.1% (0.0-0.3)

---

   Hired private vehicle

30.1% (23.6-35.4)

6.3% (4.0-8.7)

4.9% (3.3-6.4)

---

   Other

0.9% (0.1-1.9)

3.% (1.6-5.6)

13.4% (10.7-16.0)

---

Frequency of migration

    

In Cambodia in past 3 months

21.9% (15.7-28.2)

72.4% (67.0-77.7)

---

---

Not returned in last 3 months

78.1% (71.8-84.3)

27.6% (22.3-33..0)

---

---

Plans to return

    

   < 6 months

3.9% (0.6-7.1)

25.9% (20.9-30.9)

4.3% (3.1-6.4)

1.4% (0.0-5.4)

   ≥ 6 months

16.9% (10.5-23.4)

28.4% (23.5-33.3)

---

---

   No plans to return

79.2% (72.4-86.1)

45.7% (40.3-51.2)

81.7% (78.5-84.9)

88.3% (75.4-100)

Median expense of returning

(32 B = 1 USD)

(212-501)

(58-140)

(3408-4440)

---

Plans for next move

    

   Myanmar

---

---

4.3% (3.1-6.4)

1.4% (0.0-5.4)

   Cambodia

31.6% (23.4-42.6)

68.1% (60.5-74.2)

---

---

   No plan to move

36.0% (28.0-41.7)

22.1% (17.5-28.7)

81.7% (78.5-84.9)

88.3% (75.4-100)

   Don't know

32.4% (25.8-40.1)

9.3% (6.6-11.9)

13.8% (10.5-16.5)

10.3% (0.0-22.7)

Reason to move

    

   Want a different job

3.2% (1.1-5.9)

9.7% (7.2-12.3)

0.2% (0.0-0.5)

---

   My work is finished

11.4% (7.1-14.9)

32.7% (27.8-37.4)

0.4% (0.0-0.8)

 

   My family member's work

3.4% (1.1-6.0)

5.1% (2.9-7.1)

2.3% (1.3-3.2)

4.1% (0.0-10.9)

   To live with my family

15.4% (8.5-22.2)

19.1% (14.4-24.8)

1.6% (0.8-2.5)

---

   Immigration status expired

----

----

---

---

   Other

3.6% (1.3-6.0)

1.8% (0.4-2.6)

1.6% (0.7-2.8)

---

  1. IQR: Interquartile range
  2. * Has lived in Thailand for 6 or more months; ** Has lived in Thailand for less than 6 months
  3. ‡ Denominator = total number in that column, thus may be < 100% for questions asked of a subset