Table 2

General and stratified prevalences of delays
Delays of development Prevalences Age Sex Nationality Having siblings
Below 5.49 years Between 5.50 and 6.50 years 6.51 years or older Girl Boy German Non- German No Yes
Gross motor skills 6.1% (799/13088) m=191 6.4% (108/1693) 6.0% (635/10532) 6.5% (56/863) 3.4% (217/6325) 8.6% (582/6763) 5.9% (683/11559) 7.8% (115/1474) 5.6% (139/2501) 6.2% (633/10190)
Fine motor coordination 12.2% (1592/13087) m=192 21.0% (355/1693) 11.1% (1170/10532) 7.8% (67/862) 6.3% (396/6325) 17.7% (1196/6762) 11.6% (1346/11558) 16.4% (242/1474) 11.4% (285/2500) 12.2% (1247/10190)
Grapho-motor coordination 9.7% (1269/13087) m=192 17.1% (290/1693) 8.8% (925/10532) 6.3% (54/862) 5.0% (317/6325) 14.1% (952/6762) 9.1% (1053/11558) 14.5% (213/1474) 9.3% (232/2500) 9.7% (993/10190)
Pronunciation 13.8% (1810/13087) m=192 15.1% (256/1693) 13.7% (1442/10532) 13.0% (112/862) 9.5% (604/6325) 17.8% (1206/6762) 14.3% (1653/11558) 10.2% (151/1474) 11.3% (282/2500) 14.5% (1474/10190)
Grammar 4.0% (519/13087) m=192 4.9% (83/1693) 3.7% (390/10532) 5.3% (46/862) 2.8% (176/6325) 5.1% (343/6762) 3.4% (389/11558) 8.8% (130/1474) 3.9% (98/2500) 3.9% (402/10190)
Rhythm of speech 3.1% (403/13087) m=192 3.1% (52/1693) 3.0% (317/10532) 3.9% (34/862) 2.0% (127/6325) 4.1% (276/6762) 3.2% (370/11558) 2.1% (31/1474) 3.0% (76/2500) 3.1% (317/10190)
Memory and concentration 11.3% (1483/13086) m=193 18.7% (317/1693) 10.3% (1088/10531) 9.0% (78/862) 9.5% (598/6324) 13.1% (885/6762) 10.3% (1189/11557) 19.5% (288/1474) 11.3% (283/2500) 11.1% (1132/10189)
perseverance 6.8% (892/13086) m=193 12.7% (215/1693) 5.9% (624/10531) 6.1% (53/862) 5.6% (352/6324) 8.0% (540/6762) 6.2% (716/11557) 11.6% (171/1474) 7.1% (178/2500) 6.6% (669/10189)
abstraction 3.2% (425/13086) m=193 3.7% (63/1693) 3.1% (329/10531) 3.8% (33/862) 2.4% (151/6324) 4.1% (2274/6762) 2.8% (319/11557) 7.1% (105/1474) 3.4% (84/2500) 3.2% (327/10189)
visual perception 4.4% (571/13086) m=193 4.4% (74/1693) 4.3% (448/10531) 5.7% (49/862) 2.8% (179/6324) 5.8% (392/6762) 3.7% (432/11557) 9.3% (137/1474) 4.5% (112/2500) 4.2% (433/10189)
arithmetic 4.0% (527/13087) m=192 5.0% (84/1693) 3.9% (411/10532) 3.7% (32/862) 3.4% (215/6325) 4.6% (312/6762) 3.4% (397/11558) 8.5% (125/1474) 3.8% (96/2500) 3.9% (402/10190)
psychosocial development 6.7% (874/13087) m=192 11.6% (196/1693) 5.9% (621/10532) 6.6% (57/862) 5.6% (352/6325) 7.7% (522/6762) 6.2% (712/11558) 10.3% (152/1474) 7.5% (188/2500) 6.5% (659/10190)

m= missing.

Stich et al.

Stich et al. BMC Pediatrics 2012 12:188   doi:10.1186/1471-2431-12-188

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