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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