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. 2020 May 26;18:154. doi: 10.1186/s12955-020-01411-2

Table 4.

Association between Self-perceptions of Aging and PCS for Urban and Rural Participants

Urban participants (n = 492) Rural participants (n = 537)
Variable Coefficient 95% CI P Coefficient 95% CI P
Self-perceptions of aging
 Timeline chronic −1.17 −2.28, − 0.06 0.038 −3.21 −4.24, − 2.18 <  0.001
 Timeline cyclical − 0.01 − 1.66, 1.64 0.988 − 1.91 − 3.64, − 0.18 0.031
 Consequences positive − 0.19 −1.54, 1.16 0.779 1.15 0.07, 2.24 0.037
 Consequences negative −2.07 −3.43, − 0.71 0.003 1.57 − 0.21, 3.35 0.084
 Control positive 2.08 0.70, 3.45 0.003 0.34 −0.92, 1.60 0.596
 Control negative 0.26 −1.20, 1.72 0.724 − 1.45 −3.03, 0.13 0.073
 Emotional representations −1.50 −2.97, −0.03 0.045 −4.31 −5.56, −3.05 <  0.001
Controlled variables
 Gender (ref: male) −2.36 −4.22, −0.49 0.013 − 1.81 −3.16, − 0.46 0.009
 Age −0.20 − 0.35, − 0.06 0.006 −0.07 − 0.17, 0.03 0.152
 Marital status (ref: single/divorced/widowed) 2.61 −0.17, 5.38 0.065 0.43 −1.35, 2.22 0.663
 Educational attainments (ref: junior middle school and below) −0.53 −2.49, 1.43 0.598 −4.43 −9.16, 0.29 0.066
 Living arrangements (ref: alone) −2.15 −5.78, 1.48 0.246 −1.84 −4.89, 1.21 0.236
 BMI −0.04 −0.32, 0.24 0.789 0.10 −0.07, 0.27 0.254
 Blood pressure control (ref: no) 0.68 −1.38, 2.73 0.519 0.16 −1.26, 1.56 0.830
 Hypertension duration −0.10 −0.22, 0.02 0.111 −0.09 −0.20, 0.01 0.069
 Comorbidities (ref: no) −7.34 −9.35, −5.33 < 0.001 −0.15 −1.60, 1.29 0.834

Note. CI confidence interval, PCS physical component summary, BMI body mass index