Table 1
Distribution of variables related to spinal pain available in the 11-year follow-up of the Danish National Birth Cohort, stratified by child’s sex (N = 46,726)
aComposite measure of pain frequency and intensity (see Figs. 2 and and33 for details)
Total
N (%)Boys
N (%)Girls
N (%)Neck paina No pain 31,837 (68.1) 15,692 (70.4) 16,145 (66.0) Moderate pain 11,399 (24.4) 5174 (23.2) 6225 (25.5) Severe pain 3490 (7.5) 1421 (6.4) 2069 (8.5) Middle back paina No pain 38,354 (82.1) 18,640 (83.6) 19,714 (80.7) Moderate pain 6399 (13.7) 2906 (13.1) 3493 (14.3) Severe pain 1973 (4.2) 411 (3.3) 1232 (5.0) Low back paina No pain 40,154 (86.0) 19,769 (88.7) 20,385 (83.4) Moderate pain 4847 (10.4) 1949 (8.8) 2898 (11.9) Severe pain 1725 (3.7) 569 (2.6) 1156 (4.8) School absenteeismb Never 43,476 (93.0) 20,892 (93.7) 22,584 (92.4) 1–2 times 2752 (5.9) 1180 (5.3) 1572 (6.5) More than 2 times 487 (1.0) 209 (0.9) 278 (1.1) Missing 11 (0.02) 6 (0.03) 5 (0.02) Refrainment of physical activityb Never 39,809 (85.2) 19,181 (86.1) 20,628 (84.4) 1–2 times 5668 (12.1) 2604 (11.7) 3064 (12.5) More than 2 times 1237 (2.7) 496 (2.2) 741 (3.0) Missing 12 (0.03) 6 (0.03) 6 (0.02) Care-seeking behaviorb Never 42,262 (90.5) 20,311 (91.2) 21,951 (89.8) 1–2 times 2911 (6.2) 1346 (6.0) 1565 (6.4) More than 2 times 1541 (3.3) 624 (2.8) 917 (3.8) Missing 12 (0.03) 6 (0.03) 6 (0.02) bAll variables are due to spinal pain and only available for children reporting pain in at least one spinal region