. 2019 Aug 1;14(8):e0220514. doi: 10.1371/journal.pone.0220514

Table 1. Number, age, and secular trend in body height, body weight, body mass index (BMI) and fat percentage in students from the Warsaw University of Technology (WUT) and the University of Physical Education in Warsaw (UPE) in the period of 50 years.

Variables	Groups	Measurement 1	Measurement 2	Measurement 3	Measurement 4
Year of examination	WUT	1959	1971	1994	2011
Year of examination	UPE	1963	1972	1996	2012
Number of students [–]	WUT	104	166	165	154
Number of students [–]	UPE	117	120	129	107
Age [years]	WUT	19.40±1.00	21.09±1.10	20.60±0.97	20.08±0.90
Age [years]	UPE	19.88±1.58	20.56±1.66	21.54±1.16	20.97±0.90
Body height [cm]	WUT	172.8±6.4^*	175.1±6.1^*	179.4±6.2^a ^b	180.9±7.2^a ^b ^c
Body height [cm]	UPE	174.8±6.6	178.2±6.7^a	179.8±7.1^a	181.9±5.8^a ^b
Body weight [kg]	WUT	64.6±7.5^*	67.8±7.2^a ^*	72.1± 9.0^a ^b ^*	75.6±10.9^a ^b ^c
Body weight [kg]	UPE	69.5±6.7	73.8±7.6^a	75.2±9.2^a	77.5±9.3^a ^b
BMI [kg/m²]	WUT	21.6±1.8^*	22.1±1.9^*	22.4±2.5^*	23.1±2.9^a ^b
BMI [kg/m²]	UPE	22.7±1.7	23.2±1.7	23.2±2.1	23.4±2.1
FAT [%]	WUT	12.1±2.7^*	14.2±2.7^a ^*	16.2±3.0^a ^b ^*	18.4±2.9^a ^b ^c ^*
FAT [%]	UPE	12.9±1.4	12.1±2.6	15.0±2.8^a ^b	16.4±2.6^a ^b ^c

Note.^.

^a–means differ significantly compared to Measurement 1

^b–means differ significantly compared to Measurement 2

^c–means differ significantly compared to Measurement 3

p<0.05 Means WUT differ significantly compared to UPE

*—p< 0.05.