Table 1

Wave 1 characteristics of the low mood sample and the rest of the NESARC wave 2 sample (weighted percentages* (%) and SE)

VariableTotal wave 2 sample (%)SELow mood sample (%)SERest of sample (%)SE
Sample size34 653735227 301
Smoking status
 Current smoker27.020.1731.650.3825.850.19
 Former smoker19.580.1617.840.2820.020.17
 Never smoker53.400.1950.510.4254.130.20
Wave 1 suicide-related outcomes11.420.1025.550.277.840.10
 Want to die10.170.1023.350.266.820.10
 Suicidal ideation8.420.0919.270.275.660.09
 Suicide attempt2.350.046.090.171.400.04
Demographics
 Gender
  Female52.080.1664.130.4049.020.17
  Male47.920.1635.870.4050.980.17
 Race/ethnicity
  White70.930.2471.390.4070.810.25
  Black10.750.2010.610.2210.790.21
  Hispanic11.560.1011.200.1511.650.12
  Asian/Pac. Islander4.360.063.500.104.580.06
  Amer. Indian/Alaska Native2.400.113.290.202.170.11
 Age (years)
  18–194.020.074.470.153.910.08
  20–2917.780.1419.280.3017.400.15
  30–4430.900.1732.280.2930.540.18
  45–6431.080.1531.640.2430.940.17
  65 and older16.220.1012.320.2517.210.12
 Household income
  <$20 00020.350.1725.070.3219.150.19
  $20 000–$34 99919.620.1320.840.2719.310.15
  $35 000–$59 99926.270.1624.850.3126.630.17
  $60 000 and over33.760.1629.240.3334.910.17
 Marital status
  Married59.810.1754.750.3561.100.17
  Cohabiting3.250.063.600.113.160.07
  Widowed6.040.075.370.126.210.08
  Divorced8.450.0610.730.197.870.07
  Separated1.980.042.980.121.730.04
  Never married20.460.1722.570.3319.930.17
 Education
  Less than high school14.650.1316.250.2614.240.14
  High school diploma29.030.1829.350.3528.950.20
  College56.320.2254.400.3856.810.23
 Unemployed7.160.0912.310.255.850.09
 Not unemployed92.840.0987.690.2594.150.09
 Urban28.890.2630.590.4128.460.25
 Rural/not in central city71.110.2669.410.4171.540.25
 Northeast19.670.0818.570.1519.950.10
 Midwest23.150.1623.520.3223.050.21
 South35.210.1534.890.3935.290.19
 West21.970.1123.020.2321.710.15
Lifetime psychiatric disorders
 Axis I disorders
  Alcohol use30.430.2033.570.3929.630.20
  Substance use10.420.1115.060.269.250.11
  Nicotine dependence17.470.1324.330.3715.730.13
  Anxiety disorder17.880.1731.000.3414.550.17
  Mood disorder21.090.1341.820.3315.820.13
  Attention deficit hyperactivity disorder2.510.065.820.191.670.05
 Axis II disorders
  Borderline5.890.0818.440.282.700.07
  Schizotypal3.930.0611.200.242.090.05
  Narcissistic6.180.0811.880.234.740.08
  Avoidant2.320.056.140.171.360.05
  Antisocial3.630.075.860.213.070.07
  Dependent0.430.021.360.090.190.01
  Obsessive-compulsive8.070.1013.500.316.690.09
  Paranoid4.330.079.660.212.980.06
  Schizoid3.060.066.440.212.210.05
  Histrionic1.800.043.680.151.320.04
  • * The sampling weight variable in wave 2 was used.

  • Respondents in NESARC wave 2 who reported low mood lasting 2 weeks or more during the 3-year interval covered in the wave 2 NESARC and were asked the three suicidal behaviour questions.

  • Respondents in NESARC wave 2 who did not report low mood and were not asked the three suicidal questions.

  • NESARC, National Epidemiological Survey of Alcohol and Related Conditions.