Supplementary file 1

The raw results of Statistical analysis

Oneway

Notes
Output Created / 23-NOV-2014 09:12:09
Comments
Input / Active Dataset / DataSet1
Filter / <none>
Weight / <none>
Split File / <none>
N of Rows in Working Data File / 115
Missing Value Handling / Definition of Missing / User-defined missing values are treated as missing.
Cases Used / Statistics for each analysis are based on cases with no missing data for any variable in the analysis.
Syntax / ONEWAY No__Of_Lice BY Tern
/STATISTICS DESCRIPTIVES HOMOGENEITY BROWNFORSYTHE WELCH
/MISSING ANALYSIS
/POSTHOC=GH ALPHA(0.05).
Resources / Processor Time / 00:00:00.03
Elapsed Time / 00:00:00.03
Descriptives
No__Of_Lice
N / Mean / Std. Deviation / Std. Error / 95% Confidence Interval for Mean / Minimum
Lower Bound / Upper Bound
1 / 2 / 1.500 / 2.1213 / 1.5000 / -17.559 / 20.559 / .0
2 / 7 / 1.571 / 1.5119 / .5714 / .173 / 2.970 / .0
3 / 20 / 2.300 / 1.3416 / .3000 / 1.672 / 2.928 / 1.0
4 / 10 / 3.400 / 2.0111 / .6360 / 1.961 / 4.839 / 1.0
5 / 33 / 2.970 / 1.8283 / .3183 / 2.321 / 3.618 / 1.0
6 / 43 / 5.186 / 3.4727 / .5296 / 4.117 / 6.255 / 1.0
Total / 115 / 3.609 / 2.8026 / .2613 / 3.091 / 4.126 / .0
Descriptives
No__Of_Lice
Maximum
1 / 3.0
2 / 4.0
3 / 5.0
4 / 7.0
5 / 9.0
6 / 14.0
Total / 14.0
Test of Homogeneity of Variances
No__Of_Lice
Levene Statistic / df1 / df2 / Sig.
5.494 / 5 / 109 / .000
ANOVA
No__Of_Lice
Sum of Squares / df / Mean Square / F / Sig.
Between Groups / 193.096 / 5 / 38.619 / 5.994 / .000
Within Groups / 702.296 / 109 / 6.443
Total / 895.391 / 114
Robust Tests of Equality of Means
No__Of_Lice
Statistica / df1 / df2 / Sig.
Welch / 4.589 / 5 / 9.303 / .022
Brown-Forsythe / 8.906 / 5 / 20.017 / .000
a. Asymptotically F distributed.

Post Hoc Tests

Multiple Comparisons
Dependent Variable: No__Of_Lice
Games-Howell
(I) Tern / (J) Tern / Mean Difference (I-J) / Std. Error / Sig. / 95% Confidence Interval
Lower Bound / Upper Bound
1 / 2 / -.0714 / 1.6052 / 1.000 / -25.345 / 25.202
3 / -.8000 / 1.5297 / .984 / -36.810 / 35.210
4 / -1.9000 / 1.6292 / .828 / -24.892 / 21.092
5 / -1.4697 / 1.5334 / .892 / -36.757 / 33.817
6 / -3.6860 / 1.5907 / .510 / -30.386 / 23.014
2 / 1 / .0714 / 1.6052 / 1.000 / -25.202 / 25.345
3 / -.7286 / .6454 / .858 / -2.992 / 1.535
4 / -1.8286 / .8550 / .320 / -4.610 / .953
5 / -1.3983 / .6541 / .341 / -3.665 / .868
6 / -3.6146* / .7791 / .002 / -6.080 / -1.150
3 / 1 / .8000 / 1.5297 / .984 / -35.210 / 36.810
2 / .7286 / .6454 / .858 / -1.535 / 2.992
4 / -1.1000 / .7032 / .633 / -3.428 / 1.228
5 / -.6697 / .4374 / .646 / -1.967 / .627
6 / -2.8860* / .6087 / .000 / -4.678 / -1.094
4 / 1 / 1.9000 / 1.6292 / .828 / -21.092 / 24.892
2 / 1.8286 / .8550 / .320 / -.953 / 4.610
3 / 1.1000 / .7032 / .633 / -1.228 / 3.428
5 / .4303 / .7112 / .989 / -1.906 / 2.767
6 / -1.7860 / .8276 / .294 / -4.350 / .778
5 / 1 / 1.4697 / 1.5334 / .892 / -33.817 / 36.757
2 / 1.3983 / .6541 / .341 / -.868 / 3.665
3 / .6697 / .4374 / .646 / -.627 / 1.967
4 / -.4303 / .7112 / .989 / -2.767 / 1.906
6 / -2.2163* / .6179 / .008 / -4.029 / -.403
6 / 1 / 3.6860 / 1.5907 / .510 / -23.014 / 30.386
2 / 3.6146* / .7791 / .002 / 1.150 / 6.080
3 / 2.8860* / .6087 / .000 / 1.094 / 4.678
4 / 1.7860 / .8276 / .294 / -.778 / 4.350
5 / 2.2163* / .6179 / .008 / .403 / 4.029
*. The mean difference is significant at the 0.05 level.