Table 2.  Summary comparison of positional groups, PMs and non-PMs of different durations.
Data are means (ąSD).

Variables

Position

  
 

Striker (n=19)

Midfielder (n=18)

Defender
(n=18)

All
(n=55)

H2

p

%Time spent performing PM

35.8 (8.0)

44.5 (12.5)

41.9 (7.0)

40.6 (10.0)

5.9

.050

Frequency of PMs

28.6 (3.3)

28.6 (4.4)

28.1 (5.2)

28.4 (4.3)

.2

.926

Mean PM duration (s)

11.5 (3.2) *

14.0 (3.2)

13.8 (2.6)

13.1 (3.2)

8.0

.018

Mean non-PM duration (s)

21.4 (3.6)

19.1 (6.5)

20.8 (5.5)

20.4 (5.3)

2.3

.323

Frequency of PMs over 15s

6.3 (4.3) *

9.5 (4.0)

9.8 (4.1)

8.5 (4.4)

6.8

.033
    Follow up Mann Whitney U tests: * significantly different to both other positions.