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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Dev Psychol. 2014 Oct 20;50(12):2633–2643. doi: 10.1037/a0038190

Table 1.

Mean, Standard Deviation, and Range of Individual Depressive Symptom Scores

Grade 6 Grade 7 Grade 8 Grade 9 Grade 11 Grade 12

Depressive Symptoms Range M (SD) M (SD) M (SD) M (SD) M (SD) M (SD)
Sad Mood 1-7 1.87 (.84) 1.86 (.93) 1.80 (.81) 1.83 (.84) 2.01 (1.15) 2.05 (1.26)
Anhedonia 1-7 1.23 (.49) 1.47 (.70) 1.45 (.73) 1.64 (.91) 1.84 (1.13) 1.78 (1.14)
Irritability 1-7 2.11 (.84) 2.27 (.90) 2.25 (.93) 2.28 (.97) 2.52 (1.20) 2.45 (1.22)
Sleep Problems 1-5 1.37 (.71) 1.50 (.85) 1.54 (.81) 1.63 (.90) 1.98 (1.28) 2.01 (1.28)
Fatigue 1-7 1.27 (.58) 1.40 (.70) 1.52 (.74) 1.81 (.92) 2.41 (1.01) 2.36 (1.14)
Appetite /Weight Change 1-5 1.35 (.65) 1.45 (.74) 1.32 (.58) 1.46 (.75) 1.55 (.92) 1.60 (1.00)
Psychomotor Disturbance 1-7 1.16 (.48) 1.07 (.31) 1.09 (.35) 1.11 (.48) 1.27 (.58) 1.30 (.80)
Low Self-esteem/Guilt 1-7 2.04 (.88) 2.41 (.92) 2.26 (.80) 2.35 (.83) 2.57 (.98) 2.63 (1.17)
Concentration/Indecision 1-7 1.24 (.61) 1.51 (.94) 1.45 (.81) 1.56 (.87) 1.72 (1.05) 1.65 (1.07)
Suicidal Ideation 1-7 1.03 (.20) 1.05 (.38) 1.01 (.10) 1.09 (.40) 1.12 (.51) 1.06 (.36)

Note. N = 240 at grade 6. CDRS-R was not administered in Grade 10.