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Table 3 Means, standard deviations, and number of cases for the explanatory variables

From: The relationship between students’ self-assessed reading skills and other measures of achievement

  Mean SD N
Pupil gender 0.50 0.50 5,271 (boys = 2,640)
Reading achievement 523.60 72.60 5,271
Attitude1 2.77 1.13 5,106
Attitude2 3.51 0.85 5,072
Attitude3 3.33 0.87 5,085
Attitude4 3.49 0.81 5,114
Number books at home 4.00 1.10 4,701
Well-off financially 3.47 0.88 4,649
Annual income 3.92 1.58 4,557
Highest Education 5.71 1.92 4,676
Highest occupational level 2.16 0.78 4,607