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Research ArticleOriginal Research

Medication Adherence and Characteristics of Patients Who Spend Less on Basic Needs to Afford Medications

Karthik W. Rohatgi, Sarah Humble, Amy McQueen, Jean M. Hunleth, Su-Hsin Chang, Cynthia J. Herrick and Aimee S. James
The Journal of the American Board of Family Medicine May 2021, 34 (3) 561-570; DOI: https://doi.org/10.3122/jabfm.2021.03.200361
Karthik W. Rohatgi
From the Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri (KWR, SH, JMH, S-HC, CJH, ASJ); Division of General Medical Sciences, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (AM); Division of Endocrinology, Metabolism and Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (CJH).
BA
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Sarah Humble
From the Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri (KWR, SH, JMH, S-HC, CJH, ASJ); Division of General Medical Sciences, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (AM); Division of Endocrinology, Metabolism and Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (CJH).
MS
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Amy McQueen
From the Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri (KWR, SH, JMH, S-HC, CJH, ASJ); Division of General Medical Sciences, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (AM); Division of Endocrinology, Metabolism and Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (CJH).
PhD
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Jean M. Hunleth
From the Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri (KWR, SH, JMH, S-HC, CJH, ASJ); Division of General Medical Sciences, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (AM); Division of Endocrinology, Metabolism and Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (CJH).
PhD, MPH
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Su-Hsin Chang
From the Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri (KWR, SH, JMH, S-HC, CJH, ASJ); Division of General Medical Sciences, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (AM); Division of Endocrinology, Metabolism and Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (CJH).
PhD, SM
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Cynthia J. Herrick
From the Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri (KWR, SH, JMH, S-HC, CJH, ASJ); Division of General Medical Sciences, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (AM); Division of Endocrinology, Metabolism and Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (CJH).
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Aimee S. James
From the Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri (KWR, SH, JMH, S-HC, CJH, ASJ); Division of General Medical Sciences, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (AM); Division of Endocrinology, Metabolism and Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri (CJH).
PhD, MPH
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  • Article
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Article Figures & Data

Tables

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    Table 1.

    Sample Characteristics of Respondents Who Had versus Had Not Spent Less on Basic Needs to Pay for Medication (St. Louis, MO; 2016-2018), n = 270

    Total N (%)Not Spending Less on Basic Needs (n = 144) N (%)Spending Less on Basic Needs (n = 126) N (%)
    Gender
        Female161 (59.6)78 (54.2)83 (65.9)
    Race/ethnicity (ref: non-Hispanic White/other)
        Non-Hispanic Black221 (81.9)121 (84.0)100 (79.4)
    Education level
        No high school (HS) diploma57 (21.1)37 (25.7)20 (15.9)
        High school graduate or GED101 (37.4)49 (34.0)52 (41.3)
        Some college/technical school (with HS diploma)68 (25.2)35 (24.3)33 (26.2)
        College graduate or greater44 (16.3)23 (16.0)21 (16.7)
    Employment status (ref: employed; out of work < 1 year; homemaker)
        Out of work > 1 year; unable to work; disabled; retired169 (62.8)91 (63.2)78 (62.4)
    Monthly income
        < $400/mo46 (17.2)24 (16.9)22 (17.6)
        $400-$799/mo77 (28.8)49 (34.5)28 (22.4)
        $800-$1199/mo59 (22.1)26 (18.3)33 (26.4)
        > $1200/mo85 (31.8)43 (30.3)42 (33.6)
    Number of dependents
        0184 (68.1)96 (66.7)88 (69.8)
        138 (14.1)22 (15.3)16 (12.7)
        2+48 (17.8)26 (18.1)22 (17.5)
    Health insurance status
        Private; Medicare; dual119 (44.1)65 (45.1)54 (42.9)
        Medicaid; local coverage program; veteran's health benefits115 (42.6)64 (44.4)51 (40.5)
        Uninsured36 (13.3)15 (10.4)21 (16.7)
    Prescription drug coverage (ref: full year)
        Less than full year87 (32.2)38 (26.4)49 (38.9)
    Self-reported overall health (ref: excellent/good)
        Fair/poor180 (66.7)84 (58.3)96 (76.2)
    Medication adherence (ref: adherent)
    Less than adherent183 (68.0)79 (54.9)104 (83.2)
    Mean ± SDMean ± SDMean ± SD
    Age55.2 ± 9.654.9 ± 10.355.5 ± 8.9
    Number of chronic conditions4.8 ± 2.54.1 ± 2.25.5 ± 2.6
    Number of medications6.1 ± 3.95.3 ± 3.77.0 ± 3.8
    Monthly medication expenditure ($)82 ± 15247 ± 122113 ± 179
    • Note: Due to rounding, not all percentages may add to exactly 100.

    • SD, standard deviation.

    • View popup
    Table 2.

    Bivariate Associations with Spending Less on Basic Needs to Pay for Medication (St. Louis, MO; 2016-2018), n = 270

    VariableOdds Ratio95% Confidence IntervalP Value
    Gender: male1.00referent
        Female1.63(1.00, 2.69)0.05
    Age1.01(0.98, 1.03)0.57
    Race/ethnicity: non-Hispanic Black1.00referent
        Non-Hispanic White/other1.37(0.74, 2.56)0.32
    Education level: no high school (HS) diploma1.00referent
        High school graduate or GED1.96(1.01, 3.88)0.05
        Some college/technical school (with HSdiploma)1.74(0.85, 3.63)0.13
        College graduate or greater1.69(0.76, 3.80)0.20
    Employment status: employed; out of work < 1 year; homemaker1.00referent
        Out of work > 1 year; unable to work; disabled; retired0.97(0.59, 1.59)0.89
    Monthly income: < $400/mo1.00referent
        $400-$799/mo0.62(0.30, 1.31)0.21
        $800-$1199/mo1.38(0.64, 3.02)0.41
        > $1200/mo1.07(0.52, 2.19)0.86
    Number of dependents: 01.00referent
        10.79(0.39, 1.60)0.52
        2+0.92(0.49, 1.74)0.81
    Health insurance status: private; Medicare; dual1.00referent
        Medicaid; local coverage program; veteran'shealth benefits0.96(0.57, 1.61)0.87
        Uninsured1.69(0.80, 3.64)0.18
    Prescription drug coverage: full year1.00referent
        Less than full year1.78(1.06, 2.98)0.03
    Self-reported overall health: excellent/good1.00referent
        Fair/poor2.29(1.36, 3.91)<0.01
    Number of chronic conditions1.27(1.15, 1.43)<0.01
    Number of medications1.13(1.06, 1.21)<0.01
    Monthly medication expenditure (hundreds of dollars)1.66(1.29, 2.24)<0.01
    Medication adherence0.25(0.14, 0.43)<0.01
    Unmet basic needs over the past 12 months1.31(1.11, 1.54)<0.01
    Unmet basic needs at present0.82(0.64, 1.05)0.12
    Receiving/eligible for food stamps0.89(0.54, 1.46)0.64
    Visited food pantry in past 30 days1.13(0.70, 1.84)0.62
    Characterization of food at home: enough quantity, good quality1.00referent
        Enough food, but lacking in quality4.40(2.37, 8.44)<0.01
        Sometimes/often not enough to eat4.35(2.21, 8.82)<0.01
    Number of moves in past 3 months: 01.00referent
        1+0.94(0.49, 1.78)0.85
    Transitional housing, shelter, or homeless1.11(0.57, 2.15)0.77
    No bank account (savings or checking)0.89(0.55, 1.44)0.64
    Not enough money to make ends meet2.72(1.67, 4.48)<0.01
    Difficulty paying bills1.51(1.24, 1.85)<0.01
    Financial problems1.48(1.24, 1.79)<0.01
    Worry about making monthly living expenses (at least sometimes vs rarely or never)4.16(2.10, 8.90)<0.01
    Unable to sleep well or other physical effects of financial worry (at least sometimes vs rarely or never)3.93(2.30, 6.88)<0.01
    Financial problems interfere with or limit relationships (at least sometimes vs rarely or never)2.67(1.60, 4.50)<0.01
    • View popup
    Table 3.

    Multivariable Logistic Regression Model Examining Characteristics of Individuals and Associations with Spending Less on Basic Needs to Pay for Medication (St. Louis, MO; 2016-2018), n = 270

    VariableOdds Ratio95% Confidence IntervalP Value
    Education level: no high school (HS) diploma1.00Referent
        High school graduate or GED1.79(0.77, 4.26)0.18
        Some college/technical school (with HS diploma)1.09(0.43, 2.78)0.86
        College graduate or greater0.99(0.34, 2.90)0.99
    Prescription drug coverage: full year1.00Referent
        Less than full year1.36(0.70, 2.65)0.36
    Self-reported health status: excellent/good1.00Referent
        Fair/poor2.00(1.03, 3.93)0.04
    Number of chronic conditions1.21(1.06, 1.40)<0.01
    Monthly medication expenses (hundreds of dollars)1.41(1.11, 1.89)<0.01
    Medication adherence0.38(0.18, 0.77)<0.01
    Unmet basic needs over past 12 months1.08(0.87, 1.35)0.49
    Characterization of food in house: enough quantity, good quality1.00Referent
        Enough quantity, lacking in quality2.00(0.91, 4.44)0.08
        Sometimes/often lacking in quantity1.68(0.70, 4.09)0.25
    Not enough money to make ends meet1.36(0.70, 2.67)0.36
    Difficulty paying bills1.43(1.11, 1.85)<0.01
    Worry about making monthly living expenses (at least sometimes vs rarely or never)1.09(0.39, 3.18)0.88
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The Journal of the American Board of Family     Medicine: 34 (3)
The Journal of the American Board of Family Medicine
Vol. 34, Issue 3
May/June 2020
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Medication Adherence and Characteristics of Patients Who Spend Less on Basic Needs to Afford Medications
Karthik W. Rohatgi, Sarah Humble, Amy McQueen, Jean M. Hunleth, Su-Hsin Chang, Cynthia J. Herrick, Aimee S. James
The Journal of the American Board of Family Medicine May 2021, 34 (3) 561-570; DOI: 10.3122/jabfm.2021.03.200361

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Medication Adherence and Characteristics of Patients Who Spend Less on Basic Needs to Afford Medications
Karthik W. Rohatgi, Sarah Humble, Amy McQueen, Jean M. Hunleth, Su-Hsin Chang, Cynthia J. Herrick, Aimee S. James
The Journal of the American Board of Family Medicine May 2021, 34 (3) 561-570; DOI: 10.3122/jabfm.2021.03.200361
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