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Retrospective Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Sep 19, 2026; 16(9): 119511
Published online Sep 19, 2026. doi: 10.5498/wjp.119511
Table 1 Clinical characteristics of patients undergoing maintenance hemodialysis, n (%)/mean ± SD
Characteristics
Observation group (n = 85)
Control group (n = 73)
P value
Age45.20 ± 6.5443.41 ± 7.260.105
Sex0.492
Male49 (57.65)46 (63.01)
Female36 (42.35)27 (36.99)
BMI (kg/m2)21.40 ± 3.3721.15 ± 2.940.636
Dialysis vintage0.563
1-3 years47 (55.29)36 (49.32)
> 3 years38 (44.71)37 (50.68)
Employment status0.941
Employed43 (50.59)35 (47.95)
Unemployed27 (31.76)24 (32.88)
Retired15 (17.65)14 (19.18)
Marital status0.500
Married70 (82.35)57 (78.08)
Single15 (17.65)16 (21.92)
Education level0.643
Junior high school and below33 (38.82)29 (39.73)
High school or junior college42 (49.41)32 (43.84)
College and above10 (11.76)12 (16.44)
Per capita monthly household income (RMB)0.436
≤ 300046 (54.12)44 (60.27)
> 300039 (45.88)29 (39.73)
Form of payment1.0001
Self-financed2 (2.35)2 (2.74)
Medical insurance83 (97.65)71 (97.26)
Primary disease0.911
Diabetes30 (35.29)24 (32.88)
Hypertension18 (21.18)18 (24.66)
Chronic glomerulonephritis25 (29.41)18 (24.66)
Polycystic kidney disease7 (8.24)7 (9.59)
Others5 (5.88)6 (8.22)
Hb (g/L)113.73 ± 12.59111.16 ± 12.130.193
Serum albumin (g/L)40.05 ± 4.4239.06 ± 3.110.111
Serum calcium (mmol/L)2.40 ± 0.482.51 ± 0.380.117
Serum phosphorus (mmol/L)1.90 ± 0.421.86 ± 0.380.535
Kt/V1.23 ± 0.331.20 ± 0.260.551
Urea reduction ratio (%)65.04 ± 15.6162.14 ± 17.350.270
Table 2 Comparison of stigma, mean ± SD
Characteristics
Observation group (n = 85)
Control group (n = 73)
P1
Total SIS score
Pre-intervention70.04 ± 7.5770.98 ± 8.290.458
Post-intervention51.06 ± 9.0863.62 ± 8.31< 0.001
P2< 0.001< 0.001-
Social exclusion
Pre-intervention25.64 ± 4.8225.56 ± 5.980.926
Post-intervention18.09 ± 4.2623.33 ± 4.91< 0.001
P2< 0.0010.015-
Financial insecurity
Pre-intervention9.62 ± 2.719.58 ± 2.830.928
Post-intervention7.41 ± 2.859.37 ± 2.64< 0.001
P2< 0.0010.644-
Internalized shame
Pre-intervention16.03 ± 2.2416.65 ± 2.180.081
Post-intervention11.24 ± 3.6214.73 ± 2.32< 0.001
P2< 0.001< 0.001-
Social isolation
Pre-intervention18.75 ± 4.6619.10 ± 4.490.633
Post-intervention14.32 ± 5.0216.19 ± 3.450.008
P2< 0.001< 0.001-
Table 3 Comparison of negative emotions, mean ± SD
Characteristics
Observation group (n = 85)
Control group (n = 73)
P1
SAS
Pre-intervention51.12 ± 8.0550.87 ± 8.210.847
Post-intervention40.76 ± 7.1948.58 ± 9.11< 0.001
P2< 0.0010.113-
SDS
Pre-intervention47.25 ± 7.1446.97 ± 7.420.810
Post-intervention38.98 ± 6.3643.18 ± 8.71< 0.001
P2< 0.0010.005-
Table 4 Comparison of treatment adherence rates, mean ± SD
Characteristics
Observation group (n = 85)
Control group (n = 73)
P1
Total treatment adherence
Pre-intervention626.38 ± 54.51622.02 ± 49.910.603
Post-intervention835.07 ± 64.06656.41 ± 67.28< 0.001
P2< 0.001< 0.001-
Treatment adherence
Pre-intervention275.11 ± 35.62270.02 ± 37.110.381
Post-intervention355.34 ± 33.74284.47 ± 41.15< 0.001
P2< 0.0010.027-
Medication adherence
Pre-intervention95.24 ± 24.5796.84 ± 19.120.653
Post-intervention140.15 ± 36.18103.01 ± 34.11< 0.001
P2< 0.0010.180-
Fluid restrictions
Pre-intervention123.02 ± 16.87121.91 ± 13.540.653
Post-intervention170.75 ± 18.20129.33 ± 21.26< 0.001
P2< 0.0010.013-
Diet recommendations
Pre-intervention133.01 ± 28.54133.25 ± 23.770.959
Post-intervention168.82 ± 24.44139.60 ± 31.19< 0.001
P2< 0.0010.169
Table 5 Comparison of sleep quality, mean ± SD
Characteristics
Observation group (n = 85)
Control group (n = 73)
P1
Total PSQI score
Pre-intervention8.71 ± 1.088.73 ± 1.090.908
Post-intervention6.60 ± 1.948.11 ± 2.14< 0.001
P2< 0.0010.029-
Subjective sleep quality
Pre-intervention1.13 ± 0.361.21 ± 0.420.199
Post-intervention0.91 ± 0.370.95 ± 0.400.515
P2< 0.001< 0.001-
Sleep latency
Pre-intervention1.30 ± 0.431.28 ± 0.390.761
Post-intervention1.01 ± 0.421.23 ± 0.460.002
P2< 0.0010.480-
Sleep duration
Pre-intervention0.98 ± 0.451.04 ± 0.440.417
Post-intervention0.82 ± 0.411.19 ± 0.43< 0.001
P20.0160.039-
Habitual sleep efficiency
Pre-intervention1.41 ± 0.441.39 ± 0.460.781
Post-intervention0.94 ± 0.391.30 ± 0.49< 0.001
P2< 0.0010.255-
Sleep disturbances
Pre-intervention1.41 ± 0.371.38 ± 0.450.646
Post-intervention1.04 ± 0.421.27 ± 0.480.002
P2< 0.0010.155-
Use of sleep medications
Pre-intervention1.06 ± 0.301.02 ± 0.260.376
Post-intervention0.85 ± 0.390.90 ± 0.340.396
P2< 0.0010.018-
Daytime dysfunction
Pre-intervention1.42 ± 0.471.41 ± 0.390.886
Post-intervention1.04 ± 0.421.26 ± 0.530.004
P2< 0.0010.053-
Table 6 Comparison of quality of life, mean ± SD
Characteristics
Observation group (n = 85)
Control group (n = 73)
P1
PF
Pre-intervention57.42 ± 13.0158.87 ± 12.450.477
Post-intervention73.64 ± 15.5762.60 ± 16.73< 0.001
P2< 0.0010.129-
RP
Pre-intervention54.62 ± 11.3353.87 ± 9.940.661
Post-intervention63.76 ± 14.9156.26 ± 11.87< 0.001
P2< 0.0010.189-
BP
Pre-intervention62.53 ± 14.9261.87 ± 8.050.736
Post-intervention74.49 ± 15.4766.12 ± 12.45< 0.001
P2< 0.0010.016-
GH
Pre-intervention36.28 ± 14.1235.91 ± 11.020.856
Post-intervention63.25 ± 12.3640.67 ± 15.47< 0.001
P2< 0.0010.022-
VT
Pre-intervention41.16 ± 9.8140.88 ± 8.290.848
Post-intervention53.85 ± 9.1641.34 ± 10.65< 0.001
P2< 0.0010.771-
RE
Pre-intervention42.13 ± 15.0440.97 ± 11.210.589
Post-intervention63.41 ± 11.6045.22 ± 12.33< 0.001
P2< 0.0010.031-
MH
Pre-intervention57.02 ± 10.1156.87 ± 8.840.922
Post-intervention65.36 ± 12.2860.16 ± 9.900.004
P2< 0.0010.036-
SF
Pre-intervention64.82 ± 10.9865.67 ± 8.650.594
Post-intervention85.38 ± 11.5573.74 ± 10.46< 0.001
P2< 0.001< 0.001-
Table 7 Comparison of changes in indicators (pre- vs post-treatment)
CharacteristicsDifference score according to baseline
P value
Observation group (n = 85)
Control group (n = 73)
Total SIS score-18.00 (-26.00, -11.00)-8.00 (-15.00, 0.00)< 0.001
Social exclusion-8.00 (-12.00, -3.00)-2.00 (-8.00, 2.00)< 0.001
Financial insecurity-2.00 (-5.00, 1.00)0.00 (-3.00, 3.00)0.002
Internalized shame-5.00 (-8.00, -2.00)-1.00 (-3.00, 0.00)< 0.001
Social isolation-6.00 (-10.00, -1.00)-3.00 (-6.00, 0.00)0.017
SAS-10.00 (-19.00, -3.00)-3.00 (-9.00, 4.00)< 0.001
SDS-9.00 (-15.00, -1.00)-4.00 (-12.00, 6.00)0.029
Total treatment adherence231.00 (153.00, 268.00)39.00 (-9.00, 79.00)< 0.001
Treatment adherence83.00 (49.00, 117.00)13.00 (-21.00, 61.00)< 0.001
Medication adherence48.00 (14.00, 75.00)7.00 (-22.00, 29.00)< 0.001
Fluid restrictions49.00 (29.00, 72.00)6.00 (-8.00, 21.00)< 0.001
Diet recommendations34.00 (12.00, 63.00)7.00 (-19.00, 32.00)< 0.001
Total PSQI score-2.00 (-3.00, -1.00)-1.00 (-2.00, 1.00)0.002
Subjective sleep quality0.00 (0.00, 0.00)0.00 (-1.00, 0.00)0.627
Sleep latency-0.30 (-0.70, 0.10)-0.10 (-0.40, 0.20)0.015
Sleep duration0.00 (0.00, 0.00)0.00 (0.00, 0.00)0.002
Habitual sleep efficiency-0.50 (-0.80, -0.10)-0.10 (-0.60, 0.30)< 0.001
Sleep disturbances-0.30 (-0.70, -0.10)-0.20 (-0.70, 0.40)0.019
Use of sleep medications0.00 (0.00, 0.00)0.00 (0.00, 0.00)0.183
Daytime dysfunction-0.30 (-0.70, 0.00)-0.30 (-0.60, 0.20)0.101
PF17.00 (5.00, 31.00)6.00 (-9.00, 18.00)< 0.001
RP10.00 (-3.00, 22.00)1.00 (-10.00, 13.00)0.007
BP13.00 (0.00, 28.00)8.00 (-5.00, 14.00)0.014
GH27.00 (16.00, 38.00)4.00 (-8.00, 18.00)< 0.001
VT13.00 (4.00, 21.00)-1.00 (-10.00, 9.00)< 0.001
RE19.00 (10.00, 32.00)3.00 (-7.00, 15.00)< 0.001
MH7.00 (0.00, 19.00)5.00 (-5.00, 11.00)0.049
SF23.00 (10.00, 31.00)7.00 (0.00, 18.00)< 0.001


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