Retrospective Study
Copyright ©The Author(s) 2025.
World J Psychiatry. Mar 19, 2025; 15(3): 100909
Published online Mar 19, 2025. doi: 10.5498/wjp.v15.i3.100909
Table 2 Characteristics of the study population from National Health and Nutrition Examination Survey 2005-2018 after matching, n (%)
Characteristic
Overall (n = 576)
Non-PSD (n = 384)
PSD (n = 192)
P value
Age (years)59.4 (14.7)59.5 (15.7)59.2 (12.6)0.2
Sex> 0.9
    Female350 (61)234 (61)116 (60)
    Male226 (39)150 (39)76 (40)
Race0.8
    Non-Hispanic White299 (52)202 (53)97 (51)
    Non-Hispanic Black148 (26)97 (25)51 (27)
    Mexican American51 (8.9)32 (8.3)19 (9.9)
    Other Hispanic49 (8.5)35 (9.1)14 (7.3)
    Other race29 (5.0)18 (4.7)11 (5.7)
Poverty ratio0.8
    < 1.3298 (52)198 (52)100 (52)
    1.3-3.5229 (40)151 (39)78 (41)
    > 3.549 (8.5)35 (9.1)14 (7.3)
Education> 0.9
    Below high school211 (37)141 (37)70 (36)
    High school159 (28)106 (28)53 (28)
    Over high school206 (36)137 (36)69 (36)
Marital status> 0.9
    Married/living with partner263 (46)173 (45)90 (47)
    Never married85 (15)58 (15)27 (14)
    Widowed/divorced/separated228 (40)153 (40)75 (39)
Smoke0.4
    Former154 (27)97 (25)57 (30)
    Never184 (32)129 (34)55 (29)
    Now238 (41)158 (41)80 (42)
Alcohol0.9
    Former205 (36)141 (37)64 (33)
    Heavy90 (16)58 (15)32 (17)
    Mild160 (28)107 (28)53 (28)
    Moderate74 (13)49 (13)25 (13)
    Never47 (8.2)29 (7.6)18 (9.4)
BMI0.13
    Obese (30 or greater)277 (48)173 (45)104 (54)
    Overweight (25 to < 30)177 (31)127 (33)50 (26)
    Normal (18.5 to < 25)113 (20)79 (21)34 (18)
    Underweight (< 18.5)9 (1.6)5 (1.3)4 (2.1)
DM0.4
    DM220 (38)140 (36.9)80 (41.7)
    Pre-diabetes47 (8.2)35 (9.1)12 (6.3)
    No309 (54)209 (54)100 (52)
Hypertension0.3
    No97 (17)60 (16)37 (19)
    Yes479 (83)324 (84)155 (81)
Hyperlipidemia0.7
    No85 (15)55 (14)30 (16)
    Yes491 (85)329 (86)162 (84)
    WWI11.46 (0.78)11.41 (0.79)11.96 (0.76)0.018a