Table 4 Relationship of the measured indicators, latent variables with use of maternal health services, Sichuan province, western China, 2014

SES^b

0.37

0.66

 Age

−0.18 = 0.43 ×-0.43

0.28 = − 0.43 × 0.66

 Ethnic

−0.27 = 0.63 ×-0.43

0.42 = 0.63 × 0.66

 Education

0.23 = −0.54 ×-0.43

−0.36 = − 0.54 × 0.66

 Parity

0.17 = − 0.39 ×-0.43

−0.26 = − 0.39 × 0.66

 Occupation

0.09 = 0.22 ×-0.43

0.15 = 0.22 × 0.66

 Fixed assets

−0.11 = 0.25 ×-0.43

0.17 = 0.25 × 0.66

Perceived quality of hospital

0.10

–

 Ability of THC^c

0.02 = 0.22 × 0.10

–

 Equipment of THC

0.09 = 0.87 × 0.10

–

 Technique of THC

0.09 = 0.90 × 0.10

–

 Doctor’s attitude of THC

0.09 = 0.91 × 0.10

–

 Sanitation of THC

0.09 = 0.91 × 0.10

–

 Ability of CH^d

0.01 = 0.05 × 0.10

–

 Equipment of CH

0.02 = 0.21 × 0.10

–

 Technique of CH

0.02 = 0.22 × 0.10

–

 Doctor’s attitude of CH

0.02 = 0.24 × 0.10

–

 Sanitation of CH

0.02 = 0.23 × 0.10

–

Travel time^e

−0.13

−0.09

Knowledge^f

0.12

–

ANC

–

0.13