Table 3. Correlations between any two linked individuals in the same network tree.

		Number of link steps between any two individuals in the same network
	Countrya	1	2	3	≥4b
Age ( r )	NL	0.469 [0.369–0.558]*	0.158 [0.048–0.265]£	−0.071 [−0.193–0.053]	0.021 [−0.102–0.143]
	TH	0.555 [0.439–0.652]*	0.350 [0.224–0.465]*	0.087 [−0.050–0.222]	0.040 [−0.039–0.118]
Sex ( φ )	NL	0.289 [0.174–0.396]*	0.055 [−0.057–0.165]	0.103 [−0.021–0.223]	0.066 [−0.057–0.187]
	TH	0.205 [0.054–0.346]£	0.132 [−0.005–0.264]	−0.045 [−0.180–0.092]	0.023 [−0.054–0.100]
Education (r rank )	NL	0.133 [−0.018–0.293]£	−0.001 [−0.095–0.114]	0.037 [−0.087–0.174]	−0.050 [−0.139–0.056]
	TH	0.553 [0.362–0.735]*	0.336 [0.141–0.531]*	0.188 [−0.005–0.392]£	−0.071 [−0.112–−0.018]
Degree log ( r )	NL	0.081 [−0.047–0.207]	0.049 [−0.071–0.169]	0.028 [−0.109–0.164]	−0.009 [−0.144–0.127]
	TH	−0.055 [−0.220–0.113]	−0.103 [−0.251–0.049]	0.119 [−0.038–0.270]	0.042 [−0.050–0.133]
Degree - categories ( rrank )	NL	0.046 [−0.085–0.180]	0.128 [0.012–0.244]£	0.022 [−0.115–0.164]	−0.076 [−0.199–0.055]
	TH	0.049 [−0.119–0.223]	−0.027 [−0.186–0.122]	0.087 [−0.068–0.234]	0.005 [−0.080–0.095]
Number of contact persons while eating log ( r )	NL	0.051 [−0.077–0.177]	0.020 [−0.100–0.138]	−0.011 [−0.146–0.125]	0.091 [−0.045–0.223]
	TH	0.167 [−0.000–0.325]	−0.007 [−0.159–0.145]	−0.020 [−0.176–0.136]	−0.002 [−0.094–0.090]
Two or more symptoms reported ( φ )	NL	−0.018 [−0.142–0.111]	0.1314 [0.013–0.257]£	−0.019 [−0.152–0.115]	−0.010 [−0.148–0.120]
	TH	−0.059 [−0.208–0.115]	0.000 [−0.152–0.157]	−0.111 [−0.257–0.038]	0.001 [−0.095–0.089]

^aNL: the Netherlands; TH: Thailand.

^bDistances of four or more links were lumped together.

*p-value<0.001.

^£p-value<0.05.